Swink Check valve

The closure part of the swing check valve is doing what it says in the name, it’s swinging.​

It opens up by the flow and drops down to the seat when the flow stops and it’s getting pushed to the seat when the flow turns in direction.​

Available in forged body material and usually from 2 “and up in cast version.​

Standard the disc is not fully opening so if a pig should pass then select one in accordance with the API 6D standard.


Douglas Chero was established in 1974 to meet the demand for high quality forged valves in the petroleum refining and production plants, offshore oil and gas fields, power industry, fertilizer, chemical and desalination plants all over the world.

Gate, globe & check valves (API 602, BS 5352)

Size range : ¼” – 3”​
Rating : # 150 – 4500​
End connection : SW (socket weld), THR (threaded), BW (butt weld), FL (flanged, RF, RTJ), Valv-O-let, integral reinforced, beveled for welding​
Body style : compact, straight, extended body, y pattern, lift check, piston check, swing check​
Bonnet / Cover style : welded, bolted, bellow sealed, cryogenic, lsrs, lantern ring​
Valve style : solid wedge gate, straight pattern globe, y pattern globe, piston check, swing check​
Material : A105, LF2, F 304, F316 and most others

Urea service valves

Size range : ½” – 8”​
Rating : #2500, PN325, PN455​
End connection : FL (flanged), THR (threaded, flanges can be screwed on)​
Body style : globe (straight Y & angle), check (piston & in line) ​
Material : F316L modified, specially designed for urea applications​
Testing : Huey test, ASTM A262 C / ISO 3651/I, ASTM 262 E / ISO 3651/II ​

Forged gate, globe, check valves, Pressure sealed (PS) bonnet or cover. (founded on API 600, BS 1873, B16.34)

Size range : ½” – 12”​
Rating : #900 – 4500​
End connection : SW (socket weld), BW (butt weld)​
Body style : compact, straight, y pattern​
Valve style : solid wedge gate, flexible wedge gate, globe, swing check)​
Material : A105, LF2, F 304, F316 and most others

Forged through conduit gate valves (API 6A), slab & expanding gate

Size rage : 2 1/16, 2 9/16, 3 1/8 & 4 1/6​
Rating : 3000 & 5000 (10000) psi​
End connection : FL (flanged) RTJ

WKM has been one of Cameron’s strongest brands since its Flow Control Division acquired it in 1987. The name is trusted among engineers in the industry field because of its stellar track record that has remained constant for more than a century. Their line of ball, butterfly and gate valves have repeatedly delivered positive results in many oil and gas and process controls applications, no matter where they are installed. One of the things that make WKM great is that even though their line is in no ways the cheapest, over the course of time their easy to repair design and replaceable parts make their operating costs lower than many other traditional valves that are less expensive at the initial time of purchase.

Triple-offset valve (TOV)

Field replaceable metal seat​
Fire safe API 607 ​
Fugitive emission API 641 & ISO 15848-1​
Size                    : 3 – 60”​
Rating                 : #150 – 600​
Material              : CS & SS, other on request​
Pattern               : Lug, Short & Long (ISO 5752/API 609)​
End connection : RF, (BW on request)​

Available with short delivery time​

High performance double offset Dynacentric butterfly valve

Size : 2 ½” – 36”​
Rating : #150 – 600​
End connection : wafer, lug​
Body material : WCC, LCC, CF8M​
Temp range : -46 / 538°C​

M-HT API 6A gate valve with Pow-R-seal double expanding gate

Size : 2 1/16 – 4 1/16​
Rating : 2000 – 5000 psi​
Material : ?​
End connection : RF, RTJ, THR​

Saf-T-seal through conduit slab gate valve

Pressure activated seat sealing​
Inline replaceable seats​
Primary soft sealing, secondary metal sealing​

Series : M, C6, C2B, C2C, C6B​
Size : 2” – 36”​
Rating : #150 – #1500​
End connection : RF, RTJ, BW​
Body material : WCC, LCC​

Saf-T-Gard actuators

MA 12, MA 16, MA 20 series single diaphragm actuators for 2”- 6” valves​
MA1212, MA2012, MA2016, MA2020 series double or tandem diaphragm actuators for 2”- 8” valves​
MP 13 series piston actuator for 2”- 4” valves​

Of course other pneumatic, electric or gas / fluid operated actuators can be mounted as well.​

Pow-R-Seal through conduit double expanding gate valve

Mechanical activated seat sealing​
Inline replaceable seats​
Metal sealing​
Thermal body cavity relief​

Series : M, E1C​
Size : 2” – 24”​
Raing : #300 – 900​
End connection : RF, RTJ, BW​
Body material : WCC, WC6, LCC​

Both the slab and expanding gate valve have the unique SLS (single spring loaded) lip seal stem seal system that allows emergency injectable plastic packing.​

Floating ball valves (C50, 210A, 210L, 310C5, 310F)

Series: 210, 310​
Construction: 2 pc. 2 & 3 pc.​
Size: 1-4” ¼-4”​
Rating: 750 – 2000 psi 3000, 5000 psi​
Connection: THR, grooved THR, SW, RF​
Bore: RB, FB RB, FB​
Body material: DI CS, SS​
Fire safe: API 607 API 607

320F flanged 2-piece floating ball valve

The WKM 320 Series API 608 floating ball valve features a patent-pending seat that enables internal cavity relief while maintaining bidirectional sealing capability.​
In every trim, WKM 320 Series valves include NACE compliance, fugitive-emissions capabilities, and fire-test certification to API Spec 607 7th Ed.​

Size ½”- 8”​
Rating #150 – 600​
Bore RB, FB​
Body material WCC, LCC, CF8M, WCC + ZPEX coating​
Seat material Delrin, PTFE, PEEK​
End connection RF, RTJ​

370 Dynaseal trunnion mounted ball valves

Series: 370D4, 370D5, 370D6​
Design: 2pc API6D, 3pc API6D, 2 pc API608, 6D​
Size: 2-16, 18,20,24, 2-16​
Rating: 150, 150-600, 150-2500​
Bore: RB-FB, FB, RB-FB ​
Connection: RF, RTJ RF, RTJ RF, RTJ​
Body mat: WCC, LCC, CF8M, A105, WCC, LCC, CF8M​
Fire safe: API 607. 6FA, API 6FA, API 607​

Need to let it flow? Call on Wegman!