API600 WCB gate valve

Size1/2″~40″ (DN15~DN1000 mm)

OperatedBevel gear, Pneumatic actuator, Electric actuator

Conection endDouble Flange Type

Conection standard150LB / 300LB / 600LB

Working pressurePN20 / PN50 / PN100

Body materialWCB

Disc materialWCB

Seat materialCr13

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Product Details

A ‌metal seat gate valve‌ is a specialized industrial valve designed for sealing using metal-to-metal contact between the gate (disc) and the valve seats. Unlike resilient-seated gate valves that use rubber or polymer seals, metal-seated variants rely on precision-machined metal surfaces to achieve closure under demanding conditions.

Product Advantages&Our Service:
1.‌Sealing Mechanism‌
1.1 ‌Metal-to-Metal Contact‌: Both the gate and seats are made of hardened metals (e.g., stainless steel, alloy steel, or carbide-coated surfaces), enabling reliable sealing in high-temperature, high-pressure, or abrasive environments .
1.2 ‌Zero Leakage‌: Engineered for minimal leakage (e.g., ANSI Class V/VI standards), crucial for critical applications like steam systems or hazardous fluids .

2.‌Structural Design‌
2.1‌Rising/Non-Rising Stem‌: Available in both types.
Rising stem: Stem moves vertically during operation (visible position indicator).
Non-rising stem: Stem rotates without vertical movement (suitable for confined spaces)
2.2‌Wedge or Parallel Gate‌: Typically uses a wedge-shaped gate for tight shutoff, though parallel designs exist for slurry applications .

3.‌Material Composition‌
Common materials include Ductile iron,carbon steel (WCB/WCC), stainless steel (CF8M/CF8), and alloy steels (e.g., STL A216), often hardened via spray welding or heat treatment for wear resistance‌.
4.Pressure Testing Report,3.1 Certificate of Material can be provided.

‌Applications：‌
1.‌ High-Temperature/Pressure‌: Handles steam, thermal oil, and superheated water (>425°C)‌.
2. ‌Abrasive Media‌: Resists erosion from slurries, ash, or petrochemicals with solid particles‌.
3. ‌Critical Infrastructure‌: Used in water supply, power plants, oil/gas pipelines, and chemical processing‌.

Face to face dimension:

DN	mm	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400	450	500	600	650	700	750	800	900	1000
DN	inch	1/2	3/4	1	1-1/4	1-1/2	2	2-1/2	3	4	5	6	8	10	12	14	16	18	20	24	26	28	30	32	36	40
L(150LB)		108	117	127	140	165	178	190	203	229	254	267	292	330	356	381	406	432	457	508	559	610	610	711	711	1067
L(300LB)		140	152	165	178	190	216	241	282	305	381	403	419	457	502	762	838	914	991	1143	/	1245	/	1346
L(600LB)		165	190	216	229	241	292	330	356	432	508	559	660	787	838	889	991	1092	1194	1397

The data is for reference only, please consult sale@valflovalve.com for details.

QUESTIONS

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API600 WCB gate valve

Product Details

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