Chiksan® Swivel Joints - Topco Oilsite Products Ltd.

Weco ® Butterfly Valves and ActuatorsNo in-line pins, screws or boltsHex drive provides positive discmovement without in-line pins, screws,or bolts.Triple seal designAn O-ring, undersized stem holesin the seat, and correspondingflats on seat and disc hubs providethree completely independentseals. This unique feature isolatesboth the upper and lower stemsfrom line fluid, allowing use ofstandard stem material.Self-centering discDual stem with upper and lowertangential pins allows a selfcenteringdisc. This designprovides equal sealing pressure360° around the disc, ensuringpositive shut off and extendingservice life.Elastomer seatAn elastomer seat with two-piece,hard phenolic back-up eliminatesseat walking and allows the seatto expand under pressure, makingthe valve body the pressure containingcomponent.Standard Materials of ConstructionValve PartSeat & O-ringBodyStem (upper & lower)Standard MaterialNitrile (Buna N)(-20°F to 200°F)Ductile Iron410 Stainless SteelOptional MaterialsHypalon ® , Teflon ® , Viton ® ,EPDM, Red Natural RubberAluminum, Steel, Stainless Steel316 Stainless SteelDiscSpirol/Retainer PinsDuctile Iron302 Stainless SteelAluminum Bronze, 316 StainlessSteel, Ryton ® , Kynar ® , Halar, Teflon ®Coated, Nickel Plated, Hastelloy ®Other materials of construction available. Consult factory.BV2