Non-Return Valve Manufacturer, Supplier, and Exporter in India

Mcneil Instruments is a reputable supplier based in India, offering a range of valves including Stainless Steel 304 Flanged Non Return Valve and ASTM A351 CF8M 316 High Pressure NRV Valve.

Also known as a check valve, the Nrv Valve manufactured by Mcneil Instruments is a type of fitting designed to allow fluid to flow through it in only one direction. Various types of SS316 Non Return Valve from Mcneil Instruments find application in a diverse range of industries. SS 304 Non Return Valve, a product of Mcneil Instruments, is commonly found in household items. While the Non Return Valve Material offered by Mcneil Instruments comes in various sizes, metals, and costs, SS Non Return Valves are typically characterized by their small size, simplicity, and affordability. The 1/2 Stainless Steel Non Return Valve from Mcneil Instruments operates automatically.

Actually, these valves operate autonomously without the need for manual intervention or external control. Therefore, the majority of NRV Valve Types lack a valve handle or stem. These valves are typically constructed from materials such as plastic or metal, such as Stainless Steel Non Return Valves. If you’re in search of reliable Non Return Valve manufacturers in India, explore the SS Non Return Valve Price List here. Mcneil Instruments is a leading manufacturer and exporter of SS316 Non Return Valves, also known as Check or Stop Valves, in India. They specialize in producing A351 CF8 304 Hydraulic Non Return Valves and 15mm Stainless Steel 316 one-way valves. Check out the latest SS nrv valve price in India from Mcneil Instruments.

Non Return Check Valves

  • Size: 1/2″ to 4″ (DN25-DN200)
  • Thread: NPT PT BSPP G
  • Connection : Welded, Socket, Clamped, Flanged, Threaded
  • Pressure Class: PN10/ 16

Stainless Steel Non Return Check Valves Specification

Different configurations 316 Stainless Steel Double Non Return Valve & SS 304 NRV Swing Check Valve manufacturer in India

MediaOil, Gas & Water
Temperature of MediaMedium Temperature
Working Pressure accordance to ANSI/ASME B16.341000 – 10000psi
Temperature accordance to20°C – +150°C
Operation WayManual, Electric actuator, Pneumatic
Standard3A/ ISO/ DIN/ SMS / ASTM / JIS
Brand NameOS-LOK
Packaging DetailsPVC package, wooden case or as per customer’s requirement.
Leakage rate
  • Soft Seal: zero leakage, 100% Leak test
  • Hard Seal ≤ Rated Flow 10-5
Working pressure3000 psig (206 bar)
Seal ring materialPPL, PTFE, PPL Soft Graphite
Manufacturing ProcessForged bar stock
OEM serviceYes
  • Single Ferrule
  • Two Ferrule (Double Ferrule)
  • Twin Ferrule
  • Thread
Thread Type
  • BSPP
  • C.61 4-Bolt Flange
  • C.61 Combo 4B + Split
  • C.61 Split Flange
  • C.62 4-Bolt Flange
  • C.62 Combo 4B + Split
  • C.62 Split Flange
  • ISO 6149
  • NPT
  • SAE
Flow Rate.93, 2.34, 6.42, .70, 1.04, 3.62,.87 Cv
Applicable Standard
  • Design & Manufacture : BS 1868
  • Face to Face according to : ASME B16.10
  • Flange Dimensions as per: ASME B16.5
  • Pressure & Temperature : ASME B16.34
  • Test & Inspection accordance to : API 6D / API 598
  • Visual Inspection accordance to : MSS SP-55
  • Marking accordance to : MSS SP-25
  • MSS SP-110
  • API-598
  • ANSI B1.20.1
  • ANSI B16.11
  • NACE Certified
  • ANSI B16.34
  • API 607 Fire Safe
We also stock & supply
  • Swagelok
  • Parker
  • DK LOK
  • Hamlet Letlok
Uses & application
  • Dairy
  • Food & Beverages
  • Pharmacy
  • Cosmetic
  • Chemical Industry and many more.
PortMumbai, India
NRV Valves Pressure Rating (CWP)
  • 1000 PSI / 69 Bar
  • 400 PSI / 27.6 Bar
  • 600 PSI / 41.4 Bar
NRV Valves Pressure Rating (SWP)
  • 150 PSI / 10.3 Bar
  • 200 PSI / 13.8 Bar
NRV Valves Pressure Rating (WWP)300 PSI / 20.7 Bar
End Connections
  • Press-to-connect
  • Threaded
  • Solder
  • and NRV Flanged Valve manufacturer
Manufacturer of NRV Valves in
  • CF8
  • CF8M
  • CF3
  • CF3M
  • CF8C
  • CG8M
  • CW-12MW
  • CD3MWCuN
  • WCB/CF8M
  • CK20
  • N-12MV
  • CN7M
  • WCB/CF8
  • LCC/CF8M
  • LCC/CF8
  • ASTM B367 gr C5
  • ASTM B367 grade C2
  • Titanium Grade 2/ Grade 5 material

Swing type stainless steel non return check valve in India

Mcneil Instruments specializes in manufacturing swing-type stainless steel non return check valves. Among our offerings are the KAM/CV Series, featuring female 1/4 inch fittings and high pressure capabilities, crafted from durable SS304 stainless steel. Our products include one-way pneumatic check valves designed for horizontal installation. We also provide 300LBS high pressure stainless steel instrument non-return check valves for various industrial applications.

Stainless Steel NRV Valve grades

304S30400A182 F304A351 CF8A276 or A479 304
304LS30403A182 F304LA351 CF3A276 or A479 304L
316S31600A182 F316A351 CF8MA276 or A479 316
316LS31603A182 F316LA351 CF3MA276 or A479 316L
317LS31703A182 F317LA351 CG8MA276 or A479 317L
321S32100A182 F321A276 or A479 321
347S34700A182 F347A351 CF8CA276 or A479 347
17-4PHS17400A564 630
254SMOS31254A182 F44A351 CK3MCuNA182 F44
904LN08904B625 N08904B649 N08904

Instrumentation Stainless Steel NRV Valves dimensions

A Stainless Steel Non Return Valve, as offered by Mcneil Instruments, is a specialized device used to control the flow of fluids or gases in pipelines. Its primary function is to allow the fluid to move in one direction while blocking it from flowing backwards. This prevents any potential damage to equipment, contamination of substances, or safety hazards that may arise from reverse flow. With its sturdy stainless-steel construction, our non-return valve ensures longevity and resilience even in demanding environments, making it a dependable choice for fluid management needs.