Atam Check Valves
The widest non-return range in the catalog — 54 catalogue references spanning bronze lift and swing checks for steam and utility lines, cast-iron and ductile-iron reflux and dual-plate checks for water mains, and cast-steel swing checks to Class 800. Screwed, flanged and socket-weld ends, ½" through 32".
Class
Class 150 – PN-16
Size
½" – 32"
Materials
5
Full Specification
SpecificationATAM-CHECK-VALVES
- Pressure Class
- Class 150 / Class 300 / Class 600 / Class 800 / PN-10 / PN-16
- Size Range
- ½" – 32"
- Body Materials
- Bronze (Bronze), Cast Iron (CI), Carbon Steel (CS), Ductile Iron (DI), Stainless Steel (SS)
- Standards
- BS-5154, BS-1868, API-594, IS-778, IS-5312 (Part-1), BS EN-13709
- End Connections
- Threaded, Flanged, Socket Weld
- Documentation
- MTC EN 10204 3.1 with every lot; 3.2, IBR Form III-C, hydro test reports per PO
Construction & Features
- Lift, swing, reflux, dual-plate and ball-type constructions
- Bronze, cast iron, ductile iron, cast steel and stainless bodies
- PN-10 / PN-16 waterworks and Class 150–800 process ratings
- Renewable seats and discs on the bronze range
- Design to BS-5154, BS-1868, API-594, IS-778 and IS-5312
Applicable Industries
Catalogue References (54)
Manufacturer codes and published specifications for this line. Quote the code on your enquiry and we'll come back with availability, documentation coverage and pricing.
| Code | Description | Sizes | Rating | Body material | Ends |
|---|---|---|---|---|---|
| AV-7 | Bronze Horizontal Lift Check Valve No.4, Screwed Ends, PN-16 | " – 3" | PN-16 | Bronze (BS EN 1982 Gr. CC491K) | Screwed Female BSP Parallel Threads (BS-21) |
| AV-24 | Bronze Feed Check Valve, Screwed Ends | " – 1" | — | Bronze (BS EN 1982 Gr. CC491K) | Screwed Male Inlet BSP Parallel Threads (BS-21) |
| AV-26 | Bronze Angle Check Valve, Screwed Ends, PN-16 | " – 1" | PN-16 | Bronze (BS EN 1982 Gr. CC491K) | Screwed Female BSP Parallel Threads (BS-21) |
| AV-27 | Bronze Horizontal Lift Check Valve No.5, Screwed Ends, PN-20 | " – 3" | PN-20 | Bronze (BS EN 1982 Gr. CC491K) | Screwed Female BSP Parallel Threads (BS-21) |
| AV-28 | Bronze Horizontal Lift Check Valve No.5, Screwed Ends, PN-20 | " – 3" | PN-16 | Bronze (BS EN 1982 Gr. CC491K) | Screwed Female BSP Parallel Threads (BS-21) |
| AV-29 | Bronze Horizontal Lift Check Valve No.5, Screwed Ends, PN-20 | " – 3" | PN-20 | Bronze (BS EN 1982 Gr. CC491K) | Screwed Female BSP Parallel Threads (BS-21) |
| AV-34 | Bronze Union Cover Horizontal Lift Check Valve No.9, Screwed Ends, PN-20 / Class-150 | " – 3" | PN-20 / Class-150 | Bronze (BS EN 1982 Gr. CC491K) | Screwed Female BSP Parallel Threads (BS-21) |
| AV-51 | Bronze Horizontal Lift Check Valve No.4, Screwed Ends, PN-16 | " – 3" | PN-16 | Bronze (BS EN 1982 Gr. CC491K) | Screwed Female BSP Parallel Threads (BS-21) |
| AV-53 | Bronze Union Cover Horizontal Lift Check Valve No.9, Flanged Ends, PN-20 | " – 3" | PN-20 | Bronze (BS EN 1982 Gr. CC491K) | Flanged Ends as per BS-10 Table-F (Undrilled) |
| AV-55 | Bronze Horizontal Lift Check Valve No.4, Flanged Ends, PN-16 | " – 3" | PN-16 | Bronze (BS EN 1982 Gr. CC491K) | Flanged Ends as per BS-10 Table-D (Undrilled) |
| AV-76 | Bronze Swing Check Valve, Screwed Ends, PN-16 | " – 1" | PN-16 | Bronze (BS EN 1982 Gr. CC491K) | Screwed Female BSP Parallel Threads (BS-21) |
| AV-79 | Bronze Vertical Lift Check Valve, Screwed Ends | " – 3" | — | Bronze (BS EN 1982 Gr. CC491K) | Screwed Female BSP Parallel Threads (BS-21) |
| AV-80 | Bronze Vertical Lift Check Valve, Screwed Ends, PN-20 | " – 3" | PN-20 | Bronze (BS EN 1982 Gr. CC491K) | Screwed Female BSP Parallel Threads (BS-21) |
| AV-86 | Bronze Foot Valve, Screwed Ends, PN-20 | " – 7" | PN-20 | Bronze (BS EN 1982 Gr. CC491K) | Screwed Female BSP Parallel Threads (BS-21) |
| AV-90 | Bronze Foot Valve, Screwed Ends, PN-20 | " – 3" | PN-20 | Bronze (BS EN 1982 Gr. CC491K) | Screwed Female BSP Parallel Threads (BS-21) |
| AV-97 | S.G. Iron Flap Non Return Valve, PN-16 | 1" – 11" | PN-16 | S.G. Iron (EN 1563 Gr GJS-400-15) | Suitable for insertion between Flanges as per ANSI B16.1 Class-125 DIN ND-10 & BS-10 Table-E |
| AV-97B | Stainless Steel (304) Wafer Type Flap Non Return Valve as per PN-16 | " – 31½" | PN-16 | SS 304 | Suitable for insertion between Flanges as per ANSI B16.1 Class-150 DIN ND-10 & BS-10 Table-E |
| AV-97C | Stainless Steel (316) Wafer Type Flap Non Return Valve as per PN-16 | " – 31½" | PN-16 | SS316 | Suitable for insertion between Flanges as per ANSI B16.1 Class-150 DIN ND-10 & BS-10 Table-E |
| AV-101 | Bronze Vertical Lift Check Valve, Screwed Ends, Class-1 | " – 3" | Class-1 | Bronze (IS 318 Gr. LTB2) | Screwed Female Parallel Threads (IS:554) |
| AV-106 | Bronze Horizontal Lift Check Valve, Screwed Ends, Class-1 | " – 3" | Class-1 | Bronze (IS 318 Gr. LTB2) | Screwed Female Parallel Threads (IS:554) |
| AV-107 | Bronze Horizontal Lift Check Valve, Flanged Ends, Class-1 | " – 3" | Class-1 | Bronze (IS 318 Gr. LTB2) | Flanged Ends as per IS:778 Class-1 Flat Face (Undrilled) |
| AV-115 | Bronze Horizontal Lift Check Valve, Screwed Ends, Class-2 | " – 3" | Class-2 | Bronze (IS 318 Gr. LTB2) | Screwed Female Parallel Threads (IS:554) |
| AV-116 | Bronze Horizontal Lift Check Valve, Flanged Ends, Class-2 | " – 3" | Class-2 | Bronze (IS 318 Gr. LTB2) | Flanged Ends as per IS:778 Class-2 Flat Face (Undrilled) |
| AV-119 | Cast Iron Reflux (Non-Return) Valve, Flanged Ends, PN-1.0 | 1" – 19" | PN-1.0 | Cast Iron (IS 210 Gr. FG 200) | Flanged Ends as per IS:1538 PN-1.0 Flat Face (Drilled) |
| AV-119A | Cast Iron Reflux (Non-Return) Valve, Flanged Ends, PN-1.6 | 1" – 19" | PN-1.6 | Cast Iron (IS 210 Gr. FG 200) | Flanged Ends as per IS:1538 PN-1.6 Flat Face (Drilled) |
| AV-131 | Cast Iron Dual Plate Check Valve, Class-125 | 1" – 11" | Class-125 | Cast Iron (BS EN 1561 Gr. GJL 220) | Suitable for clamping between Flanges as per ASME / ANSI B 16.1, Class-125 |
| AV-131A | Cast Steel Dual Plate Check Valve with Cast Steel Disc, Class-150 | 1" – 19" | Class-150 | Cast Steel (ASTM A216 Gr. WCB) | Suitable for clamping between Flanges as per ASME / ANSI B 16.1, Class-150 |
| AV-131B | S.G. Iron Dual Plate Check Valve with S.S. Disc, PN-25 | 1" – 7" | PN-25 | S.G Iron (EN 1563 Gr. GIS-400-15) | Suitable for clamping between Flanges as per ASME / ANSI B 16.1, Class-125 |
| AV-210 | Bronze Horizontal Lift Check Valve, Screwed Ends | " – 1" | — | Bronze (IBR 282 (a) (iv) Gr. B) | Screwed Female BSP Taper Threads (BS-21) |
| AV-211 | Bronze Horizontal Lift Check Valve, Flanged Ends | " – 1" | — | Bronze (IBR 282 (a) (iv) Gr. B) | Flanged Ends as per BS-10 Table-H Flat Face (Undrilled) |
| AV-227 | Bronze Vertical Non-Return Valve, Screwed Ends | " – 1" | — | Bronze (IBR 282 (a) (iv) Gr. B) | Screwed Female BSP Taper Threads (BS-21) |
| AV-228 | Bronze Vertical Non-Return Valve, Flanged Ends | " – 1" | — | Bronze (IBR 282 (a) (iv) Gr. B) | Flanged Ends as per BS-10 Table-H Flat Face (Undrilled) |
| AV-253 | Cast Iron Horizontal Lift Check Valve, Flanged Ends, PN-16 | " – 5" | PN-16 | Cast Iron (IBR 86 to 93 Gr. A) | Flanged Drilling as per BS-10 Table-H Raised Face (PN-16) |
| AV-253A | Cast Iron Horizontal Lift Check Valve, Flanged Ends, PN-10 | 7" – 9" | PN-10 | Cast Iron (IBR 86 to 93 Gr. A) | Flanged Drilling as per BS-10 Table-H Raised Face (PN-10) |
| AV-255 | Cast Iron Horizontal Lift Check Valve, Flanged Ends, PN-16 | " – 5" | PN-16 | Cast Iron (IBR 86 to 93 Gr. A) | Flanged Drilling as per BS-10 Table-H Raised Face (PN-16) |
| AV-258 | Cast Iron Accessible Feed Check Valve, Flanged Ends | " – 2" | — | Cast Iron (IBR 86 to 93 Gr. A) | Flanged Ends as per BS-10 Table-F Flat Face (Undrilled) |
| AV-259 | Cast Iron Stop Cum Non-Return Valve, Flanged Ends, PN-16 | " – 7" | — | Cast Iron (IBR 86 to 93 Gr. A) | Flanged Drilling as per BS-10 Table-H Raised Face (PN-16) |
| AV-277 | Cast Carbon Steel Horizontal Lift Check Valve, Flanged Ends, PN-40 | " – 9" | PN-40 | Cast Carbon Steel (ASTM A216 Gr. WCB) | Flanged Ends as per BS EN 1092-1 PN-40 Raised Face (Drilled) |
| AV-280A | Cast Carbon Steel Stop Cum Non Return Valve, Flanged Ends, PN-16 | " – 7" | PN-16 | Cast Carbon Steel (ASTM A216 Gr. WCB) | Flanged Ends as per BS EN 1092-1 PN-40 Raised Face (Drilled) |
| AV-282 | Cast Carbon Steel Accessible Feed Check Valve, Flanged Ends | " – 3" | — | Cast Carbon Steel (ASTM A216 Gr. WCB) | Flanged Ends as per BS-10 Table-J Flat Face (Undrilled) |
| AV-290 | Cast Carbon Steel Swing Check Valve, Flanged Ends, Class-150 | 1" – 23" | Class-150 | Cast Carbon Steel (ASTM A216 Gr. WCB) | Flanged Ends as per ASME B16.5 Class-150 Raised Face (Drilled) |
| AV-290A | Cast Carbon Steel Swing Check Valve, Flanged Ends, Class-300 | 1" – 7" | Class-300 | Cast Carbon Steel (ASTM A216 Gr. WCB) | Flanged Ends as per ASME B16.5 Class-300 Raised Face (Drilled) |
| AV-290B | Cast Carbon Steel Swing Check Valve, Flanged Ends, Class-600 | 1" – 7" | Class-600 | Cast Carbon Steel (ASTM A216 Gr. WCB) | Flanged Ends as per ASME B16.5 Class-600 Raised Face (Drilled) |
| AV-290C | Cast Carbon Steel Check Valve Flanged Ends as per Class-150 (Suitable for Thermic Fluid) | " – 19" | Class-150 | Cast Carbon Steel (ASTM A216 Gr. WCB) | Flanged Ends as per ASME B16.5 Class-150 Raised Face (Drilled) |
| AV-305 | Drop Forged Steel Horizontal Lift Check Valve, Screwed Ends, Class-800 | " – 1" | Class-800 | Forged Carbon Steel (ASTM A105) | Screwed Female NPT Threads (ASME B-1.20.1) |
| AV-306 | Drop Forged Steel Horizontal Lift Check Valve, Socket Welded Ends, Class-800 | " – 1" | Class-800 | Forged Carbon Steel (ASTM A105) | Socket Welded Ends as per ASME B-16.11 |
| IC-29 | Investment Casting Stainless Steel (CF8) Horizontal Lift Check Valve No.5, Screwed Ends, PN-25 | " – 1" | PN-25 | Cast Stainless Steel (ASTM A351 Gr. CF8) | Screwed Female BSP Parallel Threads (BS-21) |
| IC-34 | Investment Casting Stainless Steel (CF8) Union Cover Horizontal Lift Check Valve No.9, Screwed Ends, PN-25 | " – 1" | PN-25 | Cast Stainless Steel (ASTM A351 Gr. CF8) | Screwed Female BSP Parallel Threads (BS-21) |
| IC-51 | Investment Casting Stainless Steel (CF8) Horizontal Lift Check Valve No. 4, Screwed Ends, PN-16 | " – 1" | PN-16 | Cast Stainless Steel (ASTM A351 Gr. CF8) | Screwed Female BSP Parallel Threads (BS-21) |
| IC-76 | Investment Casting Stainless Steel (CF8) Swing Check Valve, Screwed Ends, PN-16 | " – 1" | PN-16 | Cast Stainless Steel (ASTM A351 Gr. CF8) | Screwed Female BSP Parallel Threads (BS-21) |
| IC-79 | Investment Casting Stainless Steel (CF8) Vertical Lift Check Valve, Screwed Ends | " – 1" | — | Cast Stainless Steel (ASTM A351 Gr. CF8) | Screwed Female BSP Parallel Threads (BS-21) |
| IC-87 | Investment Casting Stainless Steel (CF8) Multi Utility Check Valve, Screwed Ends | " – 1" | — | Cast Stainless Steel (ASTM A351 Gr. CF8) | Screwed Female BSP Parallel Threads (BS-21) |
| AV-268 | Investment Casting Stainless Steel (CF8) Non Slam Check Valve, PN-10/16, Class-150 | " – 3" | — | Cast Stainless Steel (ASTM A351 Gr. CF8) | Suitable for insertion between Flanges as per ANSI B16.5 / BS-10/PN-16 / BS-10 TABLE-E/F |
| AV-268A | Investment Casting Stainless Steel (CF8) Non Slam Check Valve, Class-300 | " – 3" | — | Cast Stainless Steel (ASTM A351 Gr. CF8) | Suitable for insertion between Flanges as per ANSI B16.5 Class-300 Raised Face |
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