BLT Industrial Equipment Co., Ltd.

GGC valve

Check valve

Design

BLT cast steel check valve are designed and manufactured to provide maximum service life and dependability. All check valves are meet the design requirements of American Petroleum Institute Standard API 600 & API 6D, BS EN 13709 and generally conform to American Society of Mechanical Engineers standard ASME B16.34. Valves are available in a complete range of body/bonnet materials and trims.

Rang of Materials

Standard body/bonnet materials include nine grades of carbon, low alloy and stainless steels. For special apolications they can be supplied in other grades of alloy and stainless steell. There's a full range of trim materials to match any service. Optional packing and gasket materials are available for a full range of service conditions.

Available Modifications

Trim Changes
End Connection Modifications
Gasket Changes
Outside Lever and Weight
Slam Retarders

Pressure Equalizing
Outside Lever and Weight
Customer Specified Coatings
Weld End Bore Changes
Oxygen & Chlorine Cleaning & Packaging

Operating	BORE	Packing	AS
Extended lever for easy operation. Also available with gearing, motor actuators, pneumatic or hydraulic actuators for more difficult services.	Full Bore or Reduced Bore. Full-bore design provides exceptional flow control.	STD Packing Multiple V-TEFLON packing, combined with live loading, maintains packing compression under high-cycle and severe service applications. Graphite packing use situatior for high-temperature.	Anti Static. A metallic contact is always granted between ball and stem / body to discharge eventual statics build - op during service.
BODY & BONNET	End Connections	BPS	FD
split or 3-piece, split body & bonnet for 12" & Small. Disassembles easily for repair or replacement of internal components.	A choice of Flanged , RTJ flanged or Buttwelding end for piping flexibility.	Blow-out Proof Stem. A pressure-safe stem shoulder design that protects against failure under excess pressure.	Fire Durable. Designed to API 607 or BS 6755 to grant their operation suitability in case of fire. Secondary metal-to-metal seal acts as backup if primary seal is destroyed by fire. Valves ordered for compliance with API 607 will be provided with graphite packing and gaskets.