Cast Steel API 600 Gate Valve

Type: Direct-acting Connection Form: Flange Actuator: Manual Thread Position of Valve Rod: Outside Gate Valve Standard: ANSI Size: 2′′-36′′ Specification: CE, SGS HS Code: 8481804090 Material: Carbon Steel Pressure: Ordinary Pressure Seal Surface: Wedge Gate Valve Usage: Drain Application: Industrial Usage, Water Industrial Usage, Household Usage Trademark: FYV Origin: China API 600 Cast Gate Valves
Designs
Design: API-600 (carbon steel), API 603 (stainless/alloy steel)
Pressure/temperature rating: ASME B 16.34
Flange dimensions: ASME B16.5 (up to 24" nominal diameter) or MSS SP 44 (above 24'')
Butt / socket welding ends: ASME B16.25 (on demand)
Face to face dimensions: ASME B 16.10
NACE Service: MR-01-75 or MR-01-03
Testing: API 598
Wedge design: Solid (up to 4") and flexible (5" and above)
Bolted bonnet
Outside / inside screw and yoke - non rotating stem / roating stem
Graphite packing
Stainless steel or graphite gaskets
Ends RF, RTJ or BW
Manual valves: Hand-wheel, impact hand-wheel, chain-wheel, gear operation
Actuation: Electric, pneumatic or hydraulic
Low fugitive emissions control
On demand: DIN gate valves
On demand: Cryogenic service
Materials
Carbon steel WCA, WCB, WCC, etc.
Low carbon steel LCB, LCC, etc.
Low alloy steel WC1, WC5, WC6, WC9, etc.
Low carbon low Alloy Steel LC2, LC3, etc.
Medium alloy steel C5, C12, C12A, etc.
Stainless steel CF8, CF8M, CF8C, CF10, CG8M, etc.
Low carbon stainless steel CF3, CF3M, CG3M, etc.
Super stainless steel CN7M (Alloy 20), CN3M (Alloy 20 modified), CT15C, etc
Duplex stainless steel CE8MN, CD6MN, CD3MN, etc.
Super Duplex Stainless Steel CE3MN, CD3MNWCuN, etc.
High Nickel Alloys: Monel M30C, Monel M35-1, Monel CZ100, Inconel CY40 (Inconel 600), CW2M (Hastelloy C4), N12MV (Hastelloy B), CW12MW (Former Hastelloy C-276), CW6M (New Hastelloy C-276), CU5MCuC (Incoloy 825), N7M (Hastelloy B2), CW6MC (Incoloy 625), etc.
Aluminum Bronze 95500, 95600, 95800, etc.
Trims: 1-2-5-8-10 as per API600
Dimensional Range
API 600 carbon steel: NPS 2'' - 64", Class ANSI 150-600#
API 603 stainless / alloy steel: NPS 1/2'' - 24", Class 150-300#

Design Feature:

Body and Bonnet Connection
The body and bonnet of Class 150~Class 900 gate valves are usually bolted bonnet design. And Class 1500~Class 2500 gate valves are usually of pressurized seal design.

Gasket of Cover Flange
Carbon steel or stainless steel+flexible graphite combined gasket is used for Class 150 gate valve; Stainless steel+flexible graphite wounded gasket is used for Class 300 gate valve; Stainless steel+flexible graphite wounded gasket is used for Class 600 gate valve, and ring joint gasket is also optional for Class 600 gate valve; Ring Joint gasket is used for Class 900 gate valve; Pressurized seal design is used for Class 1500~Class 2500 gate valve.

Actuation
Hand wheel or gear box is usually used for gate valve actuation. Chain wheel and electric actuator can be also used for gate valve actuatuo if being requested by the customers.

Seat
For carbon steel gate valve, the seat is usually forged steel. The sealing surface of the seat is spray welded with hard alloy specified by the customer. Welded seat is used for NPS

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