Inconel Manifold Valves Supplier & Exporter
Kalpataru Piping Solutions is a NACE-certified manufacturer, supplier and exporter of Inconel manifold valves serving oil & gas, petrochemical, offshore, nuclear and aerospace industries across 60+ countries. Our manifold valves are machined from certified bar stock and forgings in Inconel 600, Inconel 625, Inconel 601, Inconel 718 and Incoloy 825/800, covering 2-way, 3-way and 5-way configurations for direct-mount and remote-mount DP transmitter installations as well as high-pressure hydraulic and instrumentation service.
Every valve ships with an EN 10204 3.1 Mill Test Report, Positive Material Identification (PMI) report and a hydrostatic shell plus pneumatic seat test certificate per BS EN 12266-1 and API 598. Standard pressure ratings span 1,500 to 15,000 PSI; cryogenic service to -196 C is available on request.
Key advantages over competitors:
- NACE MR0175 / ISO 15156 compliant for sour-gas and H2S environments
- 100% helium leak tested to 1 x 10^-4 ml/s on every unit
- Metal-to-metal bonnet-to-body seals; zero elastomers in wetted zone
- EN 10204 3.1 Mill Test Reports and PMI reports as standard
- Individual grade pages: /inconel-600-manifold-valves-supplier-exporter/ | /inconel-625-manifold-valves-supplier-exporter/ | /inconel-601-manifold-valves-supplier-exporter/
- Cryogenic testing to -196 C; high-pressure options above 15,000 PSI on request
Technical Data
ASTM Material Specifications
Grade | Bar/Rod | Forging | Sheet/Plate | Tube/Pipe |
|---|---|---|---|---|
Inconel 600 | ASTM B166 | ASTM B564 | ASTM B168 | ASTM B167 |
Inconel 625 | ASTM B446 | ASTM B564 | ASTM B443 | ASTM B444 |
Inconel 601 | ASTM B166 | ASTM B564 | ASTM B168 | ASTM B167 |
Inconel 718 | ASTM B637 | ASTM B637 | ASTM B670 | ASTM B983 |
Incoloy 825 | ASTM B425 | ASTM B564 | ASTM B424 | ASTM B423 |
Inconel Manifold Valves Chemical Composition
Element | Inconel 600 (N06600) | Inconel 625 (N06625) | Inconel 601 (N06601) | Inconel 718 (N07718) | Incoloy 825 (N08825) |
|---|---|---|---|---|---|
Nickel (Ni) | 72% min | 58% min | 58-63% | 50-55% | 38-46% |
Chromium (Cr) | 14-17% | 20-23% | 21-25% | 17-21% | 19.5-23.5% |
Iron (Fe) | 6-10% | 5% max | Balance | Balance | Balance |
Molybdenum (Mo) | — | 8-10% | — | 2.8-3.3% | 2.5-3.5% |
Niobium (Nb) | — | 3.15-4.15% | — | 4.75-6.5% | — |
Aluminum (Al) | — | — | 1-1.7% | 0.2-0.8% | — |
Carbon (C) | 0.15% max | 0.10% max | 0.10% max | 0.08% max | 0.05% max |
Copper (Cu) | 0.5% max | — | — | — | 1.5-3.0% |
Titanium (Ti) | — | — | — | 0.65-1.15% | 0.6-1.2% |
Inconel Manifold Valves Mechanical Properties
Property | Inconel 600 | Inconel 625 | Inconel 601 | Inconel 718 | Incoloy 825 |
|---|---|---|---|---|---|
Tensile Strength | 80,000 psi (552 MPa) min | 135,000 psi (930 MPa) min | 80,000 psi (552 MPa) min | 150,000 psi (1034 MPa) min | 85,000 psi (586 MPa) min |
Yield Strength (0.2%) | 35,000 psi (241 MPa) min | 75,000 psi (517 MPa) min | 35,000 psi (241 MPa) min | 120,000 psi (827 MPa) min | 35,000 psi (241 MPa) min |
Elongation | 30% min | 42.5% min | 30% min | 12% min | 30% min |
Hardness | 88 HRB max | 100 HRB max | 88 HRB max | 36 HRC max | 88 HRB max |
Inconel Manifold Valves Equivalent Standards
UNS | DIN/W.Nr | JIS | AFNOR | Common Name |
|---|---|---|---|---|
N06600 | 2.4816 | NCF600 | NC15FEIIM | Inconel 600 |
N06625 | 2.4856 | NCF625 | NC22DNB4M | Inconel 625 |
N06601 | 2.4851 | NCF601 | NC23FeA | Inconel 601 |
N07718 | 2.4668 | NCF718 | NC19FeNb | Inconel 718 |
N08825 | 2.4858 | NCF825 | NiCr21Mo | Incoloy 825 |
Grade Selection Guide for Manifold Valves
Service Condition | Recommended Grade | Reason |
|---|---|---|
General corrosion, oxidizing/reducing alternating | Inconel 600 | High Ni + Cr, economical |
Chloride SCC, seawater, pitting resistance | Inconel 625 | Mo + Nb addition; PREN > 50 |
High-temperature oxidation above 1000 C | Inconel 601 | Al addition forms Al2O3 scale |
High-strength, HP/HT, precipitation hardened | Inconel 718 | Age-hardened; highest strength |
Sulfuric/phosphoric acid, seawater | Incoloy 825 | Cu + Mo addition; NACE MR0175 |
Sour gas / H2S service | Inconel 625 or Inconel 718 | NACE MR0175 compliant |
Cryogenic to -196 C | Incoloy 825 or 625 | Impact-tested; extended bonnet |
Pressure-Temperature (P-T) Ratings
Standard Pressure Classes
Kalpataru Inconel manifold valves are available in the following nominal pressure classes: 1,500 PSI | 3,000 PSI | 6,000 PSI | 10,000 PSI | 15,000 PSI. Maximum working pressure at 100 F (38 C) for standard metal-to-metal sealed bodies is 6,000 psig (414 bar); high-pressure variants rated to 10,000 and 15,000 PSI are available on request.
P-T Rating Table: Inconel 600 (UNS N06600) per ASME B16.34
Temperature | Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 |
|---|---|---|---|---|---|---|---|
-20 to 100 F | 275 PSI | 720 PSI | 960 PSI | 1,440 PSI | 2,160 PSI | 3,600 PSI | 6,000 PSI |
200 F | 230 PSI | 600 PSI | 800 PSI | 1,200 PSI | 1,800 PSI | 3,000 PSI | 5,000 PSI |
400 F | 200 PSI | 530 PSI | 710 PSI | 1,060 PSI | 1,600 PSI | 2,660 PSI | 4,430 PSI |
600 F | 170 PSI | 450 PSI | 600 PSI | 900 PSI | 1,355 PSI | 2,260 PSI | 3,765 PSI |
800 F | 145 PSI | 385 PSI | 510 PSI | 765 PSI | 1,150 PSI | 1,920 PSI | 3,200 PSI |
1000 F | 125 PSI | 330 PSI | 445 PSI | 665 PSI | 1,000 PSI | 1,665 PSI | 2,775 PSI |
Source: ASME B16.34 Group 3.11 (Ni-Cr-Fe alloys). Ratings apply to threaded and socket-weld end connections at the noted classes.
Operating Temperature Range by Grade
Grade | Cryogenic (min) | Ambient Rating | Elevated Temp Max | Notes |
|---|---|---|---|---|
Inconel 600 | -196 C (-321 F) | -120 C to 100 C | 1,000 C (1,832 F) | Best overall corrosion + temp range |
Inconel 625 | -196 C (-321 F) | -120 C to 100 C | 980 C (1,800 F) | Superior chloride + pitting resistance |
Inconel 601 | -100 C (-148 F) | -120 C to 100 C | 1,200 C (2,192 F) | Highest oxidation resistance |
Inconel 718 | -196 C (-321 F) | -120 C to 100 C | 650 C (1,200 F) | Age-hardened; best mechanical strength |
Incoloy 825 | -50 C (-58 F) | -120 C to 100 C | 540 C (1,000 F) | Reducing acid and seawater service |
Pressure Rating by Body Type
Body Type | Standard Max PSI | High-Pressure Option |
|---|---|---|
Bar stock, threaded | 6,000 PSI | 10,000 PSI |
Forged, threaded | 10,000 PSI | 15,000 PSI |
Forged, flanged | 15,000 PSI (ASME Class 2500) | As engineered |
Note: All ratings per ambient temperature (100 F / 38 C). De-rate per ASME B16.34 at elevated temperatures. Cryogenic service requires extended bonnet and low-temperature impact testing per ASME B31.3. For full P-T tables by grade, see Inconel 600 Manifold Valves | Inconel 625 Manifold Valves or contact us.
Design & Manufacturing Standards
Category | Standard | Scope |
|---|---|---|
Valve Design | BS 1868 | Steel check valves; also applied to manifold body design |
Pressure-Temperature | ASME B16.34 | Pressure ratings by class and material group |
Face-to-Face Dimensions | ASME B16.10 | End-to-end and face-to-face dimensions |
Flanged End Dimensions | ASME B16.5 | Pipe flanges and flanged fittings |
Butt-Weld Ends | ASME B16.25 | Butt-welding end geometry |
Testing | BS EN 12266-1 | Pressure testing of metallic valves |
Testing | API 598 | Valve inspection and testing |
Sour Gas Service | NACE MR0175 / ISO 15156 | Metallic materials in H2S environments |
Material Certification | EN 10204 3.1 | Third-party mill test reports |
Material Inspection | ASTM A262 | Sensitization testing (IGC) |
NDE – Radiography | ASME Section V, Article 2 | Radiographic examination |
NDE – Dye Penetrant | ASME Section V, Article 6 | Liquid penetrant testing |
NDE – Ultrasonic | ASME Section V, Article 4 | Ultrasonic examination |
Quality System | ISO 9001:2015 | Quality management systems |
Helium Leak Testing | ASTM E498 | Calibrated leak detection |
Positive Material ID | ASTM E1476 | PMI by XRF/OES |
End Connection Types
End Connection | Standard | Pressure Range | Notes |
|---|---|---|---|
Male NPT Threaded | ASME B1.20.1 | Up to 10,000 PSI | Most common; 1/8″ to 1″ |
Female NPT Threaded | ASME B1.20.1 | Up to 10,000 PSI | Process side inlet |
BSPP (G Thread) | BS EN ISO 228-1 | Up to 6,000 PSI | European instrumentation |
BSPT (R Thread) | BS EN 10226-1 | Up to 6,000 PSI | British/Asian markets |
Flanged (ANSI) | ASME B16.5 | 150 to 2500 class | High-integrity pipe connection |
Compression Fitting | Swagelok/Parker compatible | Up to 6,000 PSI | Instrument tubing |
Socket Weld | ASME B16.11 | Up to 9,000 PSI | Permanent pipe connection |
Butt Weld | ASME B16.25 | Unrestricted | HP/HT welded piping |
Monoflange / Integral | OEM dimensions | Up to 15,000 PSI | Direct transmitter mount |
Equivalent Brand Compatibility
Kalpataru Inconel manifold valves are dimensionally and functionally equivalent to: Swagelok, Parker (Ham-Let), Rosemount, Hamlet, Oliver Valves, Hoke. Drop-in replacement quotations available for all listed brands on request. Pair with Inconel tube fittings and Inconel 625 tube fittings for complete instrument hook-up packages. Request a quote.
Inconel Manifold Valve Types & Configurations
Inconel manifold valves are multi-port, multi-valve assemblies that isolate, equalize and vent pressure transmitters and other instruments. Kalpataru supplies every major configuration in full Inconel wetted-path construction. Browse all manifold valves or jump to a grade-specific page: Inconel 600 | Inconel 625 | Inconel 601.
Valve Type | Configuration | Primary Function | Typical Application |
|---|---|---|---|
2-Way Manifold Valve | 1 process + 1 instrument port | Isolate instrument from process | Pressure gauge isolation, chemical injection |
3-Way Manifold Valve | 2 process + 1 instrument port | Isolate, equalize, vent | DP transmitter on single-variable service |
5-Way Manifold Valve | 2 process + 1 instrument + 2 equalize/vent | Full DP block-equalize-vent cycle | DP flow, level and pressure transmitters |
R-Type (Rectangular) | Square body, inline ports | Compact panel mount | Offshore instrument panels, subsea modules |
T-Type | T-shaped body | 90-degree port offset | Space-restricted skid installations |
H-Type | H-shaped body | Dual-sided access | High-density manifold racks |
Direct-Mount Manifold | Bolts directly to transmitter flange | Eliminates impulse tubing | HART/Foundation Fieldbus DP transmitters |
Remote-Mount Manifold | Separate from transmitter via tubing | Vibration/heat isolation | High-vibration compressors, hot tapping |
Block & Bleed Manifold | Isolation + bleed port | Safe depressurization | Pressure relief and maintenance isolation |
Hydraulic Manifold Valve | Rated to 15,000+ PSI | Hydraulic control circuits | Subsea BOP, wellhead control panels |
High-Pressure Manifold | Up to 15,000 PSI standard | HP instrumentation | Wellhead / Christmas tree instruments |
Cryogenic Manifold Valve | Extended bonnet, -196 C rated | LNG / liquid gas service | LNG terminals, cryogenic storage |
5-Way DP Transmitter Valve | 5-function manifold | Full DP isolation + equalize + vent | Process flow measurement |
Forged Body Manifold | ASTM B564 forged body | Higher pressure integrity | Safety-critical HP/HT service |
Body shape options: Square, rectangular Handle type: Bar T-handle standard; panel mounting available Orifice range: 2 mm to 9.5 mm Port thread options: NPT, BSPP, BSPT, flanged per ASME B16.5 Body material: Bar stock (standard) or forged (ASTM B564 for HP service)
Grade-specific pages: Inconel 600 Manifold Valves | Inconel 625 Manifold Valves | Inconel 601 Manifold Valves | Inconel Valve Hub
Inconel Manifold Valves Applications & Industries
Inconel manifold valves are specified wherever a standard carbon steel or stainless steel manifold would corrode, stress-crack or lose pressure integrity. The Ni-Cr-Mo alloy family retains full mechanical strength across the cryogenic-to-high-temperature range and resists virtually every corrosive process medium. Grade-specific pages: Inconel 600 | Inconel 625 | Inconel 601. Related instrumentation: Inconel needle valves | Inconel ball valves | Inconel tube fittings.
Industry | Specific Application | Grade Typically Specified |
|---|---|---|
Oil & Gas – Upstream | Wellhead/Christmas tree instrument isolation, HP gas metering manifolds | Inconel 625 (NACE MR0175) |
Oil & Gas – Midstream | Pipeline DP flow measurement, pig-launcher isolation | Inconel 600 or 625 |
Oil & Gas – Downstream | Refinery HP/HT pressure transmitter manifolds, catalyst units | Inconel 625 or 718 |
Offshore & Subsea | Subsea BOP control manifolds, topside instrument panels, saltwater service | Inconel 625 (pitting resistance) |
Petrochemical | Chloride-bearing process streams, HCl/H2SO4 service, chlorinated solvents | Inconel 625 or Incoloy 825 |
Chemical Processing | Oxidizing acid, mixed acid, caustic service manifolds | Inconel 600 or 601 |
Nuclear Power | Primary coolant circuit instruments, steam generator isolation | Inconel 600 / 718 |
Aerospace & Defense | Hydraulic manifolds for aircraft fuel/oil systems, test bench instrumentation | Inconel 718 |
Marine & Shipbuilding | Seawater cooling circuit manifolds, bilge system instrumentation | Inconel 625 or Incoloy 825 |
LNG & Cryogenics | Cryogenic flow metering manifolds, liquid nitrogen service, LNG terminals | Inconel 625 (-196 C rated) |
Power Generation | Boiler drum level transmitter manifolds, HP steam flow metering | Inconel 600 or 625 |
Desalination | HP reverse osmosis instrument manifolds, brine service | Incoloy 825 or Inconel 625 |
Pharmaceutical | CIP/SIP instrument isolation, sterile process manifolds | Inconel 625 (electropolished) |
Pulp & Paper | Black liquor digester instrumentation, chloride bleaching circuits | Inconel 625 or Incoloy 825 |
DP Transmitter Manifold Valve Service
The most common Inconel manifold valve application is differential pressure (DP) transmitter isolation in corrosive service. A 5-way manifold valve replaces separate isolate, equalize and vent valves with a single compact block, reducing leak points by 60-70% and simplifying maintenance. Direct-mount units bolt directly to the ANSI/IEC flange of Rosemount 3051, Yokogawa EJA, ABB 266 and equivalent transmitters. Also see Inconel needle valves and Inconel ball valves for complementary instrumentation service.
Kalpataru Competitive Gaps Exploited
- NACE MR0175 compliance – Neither TU-LOK nor RFIT mentions NACE certification for manifold valves. Sour-gas buyers (Middle East, US shale, offshore) specifically require this.
- EN 10204 3.1 Mill Test Reports – Competitors do not advertise 3.1 MTRs; EPC contractors and NOCs routinely demand them.
- API 598 test certification – Competitors cite BS EN 12266-1 only; API-specified projects require API 598.
- Positive Material Identification (PMI) – No competitor mentions PMI on manifold valves; required for offshore and nuclear audits.
- Cryogenic service – Neither competitor states a cryogenic-rated manifold valve; Kalpataru offers -196 C rated versions.
- Grade-specific landing pages – Enables long-tail SEO per grade that competitors do not capture.
- Higher pressure options – Above 15,000 PSI available on request for wellhead and BOP service.
Testing, Inspection & Quality Control
Mandatory Pressure Tests (Every Valve)
| Test | Standard | Test Medium | Acceptance Criteria |
|---|---|---|---|
| Hydrostatic Shell Test | BS EN 12266-1 / API 598 | Water (1.5x MAWP) | Zero leakage for 1 min minimum |
| Pneumatic Seat Test | BS EN 12266-1 / API 598 | Nitrogen @ 80 PSI | Bubble-tight (Rate A) per API 598 |
| Helium Leak Test | ASTM E498 | Helium (1 x 10^-4 ml/s) | No detectable leak; cert issued |
| Hydrostatic Seat Test | API 598 | Water (1.1x MAWP) | Zero leakage |
| Operational (Cycling) Test | Internal procedure | Air / Nitrogen | 10 open/close cycles; no sticking |
Non-Destructive Examination (NDE) Methods
| NDE Method | Standard | When Applied |
|---|---|---|
| Radiographic Testing (RT) | ASME Sec V Art 2 | Forged bodies, Class 2500 |
| Liquid Penetrant Testing (PT/LPT) | ASME Sec V Art 6 | All machined surfaces; weld ends |
| Ultrasonic Testing (UT) | ASME Sec V Art 4 | Bar stock over 1″ diameter |
| Pitting Resistance Test | ASTM G48 Method A | Inconel 625 and Incoloy 825 wetted parts |
| Intergranular Corrosion (IGC) | ASTM A262 Practice E | Sensitization check for 600/601 grades |
| Positive Material Identification (PMI) | ASTM E1476 (XRF) | All incoming raw material + finished parts |
| Visual Inspection (VT) | ASME Sec V Art 1 | 100% of finished valves |
Quality Certificates Supplied
| Certificate | Description |
|---|---|
| EN 10204 3.1 Mill Test Report | Chemical + mechanical properties per ASTM/EN for each heat |
| PMI Report | XRF/OES elemental analysis on finished valve body |
| Hydrostatic Test Certificate | Shell + seat test results with actual test pressure and duration |
| Helium Leak Test Certificate | Leak rate in ml/s with equipment calibration reference |
| Pneumatic Test Certificate | Nitrogen seat test results |
| NDE Reports (RT/PT/UT) | As applicable per project ITP |
| Dimensional Inspection Report | Actual vs nominal dimensions per drawing |
| NACE MR0175 Compliance Statement | Hardness compliance and material confirmation |
| Third-Party Inspection (TPI) | Bureau Veritas, SGS, Lloyds, TUV on request |
| Heat Treatment Certificate | Solution annealing + age hardening records for 718 |
8-Stage QC Process
- Incoming Raw Material Inspection – PMI + MTR verification against ASTM spec before machining release
- In-Process Dimensional Check – CNC machining tolerances verified at each stage
- Thread Gauging – NPT/BSPP/BSPT threads gauged per ASME B1.20.1 / BS EN ISO 228-1
- Surface Finish Inspection – Ra value measured; electropolished surfaces measured at 0.4 Ra max
- Hydrostatic Shell Test – 1.5x MAWP; witnessed by QC engineer
- Pneumatic / Helium Seat Test – Calibrated leak detection equipment
- Final Visual + Dimensional – Check against GA drawing and purchase order
- Documentation Pack Assembly – MTR, PMI, test certs, packing list compiled before despatch
Why Choose Kalpataru Piping Solutions
Manufacturing Capabilities
Capability | Details |
|---|---|
Manufacturing Location | Mumbai, India (MIDC Industrial Zone) |
CNC Machining | Multi-axis CNC turning and milling for bar-stock bodies |
Forging | ASTM B564 closed-die forgings in-house and from approved forge shops |
Heat Treatment | Bright annealing + solution annealing furnaces; age hardening for Inconel 718 |
Electropolishing | In-house EP line for pharmaceutical and clean-service manifolds |
Testing Lab | In-house hydrostatic, pneumatic and helium leak test benches |
NDE | In-house PT; third-party RT, UT through NABL-accredited labs |
Calibration | All test equipment calibrated to NABL / ISO 17025 |
Certifications & Approvals
Certification | Scope |
|---|---|
ISO 9001:2015 | Quality management system for valve design, manufacture and test |
PED 2014/68/EU | Pressure Equipment Directive – European market supply |
NACE MR0175 / ISO 15156 | Sour-gas (H2S) service material compliance |
AD 2000 Merkblatt W2 | German pressure equipment material standard |
Bureau Veritas (BV) | Third-party inspection and certification |
Lloyd’s Register (LR) | Marine and offshore valve certification |
SGS / TUV | Third-party inspection on request |
Special Services
- Express manufacturing: 2-4 week delivery for standard configurations in stock grades
- Custom configurations: R-type, T-type, H-type bodies; custom orifice sizes; dual-material trim
- Third-party inspection: Witnessing by BV, SGS, Lloyds, TUV arranged at no extra cost
- Cryogenic service: Extended bonnet + LT Charpy impact test to -196 C
- ATEX / Zone 1 compliance: Available for explosive-atmosphere instrumentation service
- Traceable documentation: Heat number traceability from mill to finished valve
- PMI on 100% of wetted parts: Standard procedure; not optional
- Drop-in replacement service: Cross-reference drawings to Swagelok / Parker / Oliver Valves; also see our monoflange valves and check valves for complete instrumentation packages
Why Buyers Choose Kalpataru Over Indian Competitors
Reason | Kalpataru Advantage |
|---|---|
Documentation completeness | EN 10204 3.1 MTR + PMI + API 598 + helium leak cert in one package |
NACE sour-gas compliance | Stated, certified, and hardness-verified per NACE MR0175 |
Grade breadth | Inconel 600, Inconel 625, Inconel 601, 718, Incoloy 825, Incoloy 800 and exotic alloys (617, X-750, 690) |
Pressure range | Up to 15,000 PSI standard; HP options above 15,000 PSI |
Cryogenic service | -196 C rated with impact test certs – not available from most competitors |
Export experience | Shipped to 60+ countries; familiar with LC, SWIFT, packing for sea/air freight |
Grade-specific SEO pages | Dedicated pages for Inconel 600, Inconel 625, Inconel 601, Incoloy 825 and Incoloy 800 — buyers find the exact alloy, faster procurement |
Technical support | In-house metallurgist for grade selection and service condition review |
Indicative Price Range
Grade | Configuration | Approx. Price (INR/pc) | Approx. Price (USD/pc) |
|---|---|---|---|
2-Way or 3-Way, NPT, 6,000 PSI | INR 1,500-1,800 | USD 18-22 | |
2-Way or 3-Way, NPT, 6,000 PSI | INR 1,700-2,000 | USD 20-24 | |
5-Way, Direct-Mount, 6,000 PSI | INR 3,200-4,000 | USD 38-48 | |
Inconel 718 | 2-Way, Forged, 10,000 PSI | INR 2,400-3,200 | USD 29-38 |
5-Way, NPT, 6,000 PSI | INR 1,440-1,800 | USD 17-22 |
Prices are indicative FOB Mumbai for standard configurations. Bulk orders (25+ pieces per SKU) qualify for 8-12% discount. Please request a formal quotation for confirmed pricing.
FAQs - Alloy 20 Ball Valves
Standard metal-to-metal sealed bodies are rated to 6,000 psig (414 bar) at 100 F (38 C). High-pressure variants in forged Inconel 625 or 718 are available to 10,000 PSI and 15,000 PSI. Ratings de-rate at elevated temperature per ASME B16.34. Contact us for a specific temperature de-rating table or a high-pressure quotation.
All three standard configurations are available: 2-way (isolation only), 3-way (isolation + equalize/vent for single-variable DP), and 5-way (full block-equalize-vent cycle for DP transmitters). Body types include R-type (rectangular), T-type and H-type. Both direct-mount (bolts to transmitter flange) and remote-mount (connected via impulse tubing) variants are available.
Yes. Kalpataru Inconel manifold valves in grades 600, 625, 718 and Incoloy 825 are manufactured and tested in compliance with NACE MR0175 / ISO 15156 for sour gas (H2S) service. Hardness compliance certificates are available. This is a key differentiator versus most Indian competitors who do not state NACE compliance for manifold valves.
Every order includes: EN 10204 3.1 Mill Test Report, PMI (XRF/OES) report, hydrostatic shell test certificate (per BS EN 12266-1 and API 598), pneumatic seat test certificate, and helium leak test certificate at 1 x 10^-4 ml/s. NDE reports (RT, PT, UT) and third-party inspection (BV, SGS, TUV) are available on request.
Inconel 625 (UNS N06625) is the preferred grade for offshore and seawater service. Its molybdenum (8-10%) and niobium (3.15-4.15%) additions provide a PREN above 50, making it virtually immune to pitting and crevice corrosion in seawater. It also meets NACE MR0175 for sour gas environments common in offshore oil and gas. Browse our Inconel 625 manifold valves and Inconel 625 tube fittings for complete offshore instrumentation packages.
Yes. Inconel 625 and 600 retain full ductility and impact resistance down to -196 C (-321 F) and are approved for cryogenic service. Cryogenic manifold valves feature extended bonnets to keep the packing outside the cold zone and are supplied with Charpy V-notch impact test certificates at -196 C per ASME B31.3 Appendix F.
Kalpataru Piping Solutions responds to all Inconel manifold valve enquiries within 24 business hours. To receive a quotation, please provide:
- Valve type (2-way / 3-way / 5-way / block & bleed / direct-mount / remote-mount)
- Inconel grade (600 / 625 / 601 / 718 / Incoloy 825 / 800)
- Port size and thread type (NPT / BSPP / BSPT / flanged)
- Pressure rating required (1,500 / 3,000 / 6,000 / 10,000 / 15,000 PSI)
- Operating temperature range
- Quantity and required delivery
- Special requirements (NACE, cryogenic, third-party inspection, ATEX)
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