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Valmax Cast Steel Gate Valve Introduction:
The cast steel gate valves can only be fully opened and fully closed to be used for cutting in the pipeline. The cast gate valves have such features as unlimited installation direction, small disturbed current, low pressure drop, shorter face-to-face dimension, good sealing performance and wide application range. The most important feature of the cast steel gate valve of Valmax Valve Co., Ltd. is that they can be ensured that the permissible leakage rate can be lower than that specified in API 6D and API 600, and the middle shaft sealing can pass the USA VOC leakage test. Valmax Valve Company can provide trims of various materials including materials specified by API 600. We can also provide valves of various casting materials, such as carbon steel, stainless steel, alloy, Hastelloy, nickel chrome, etc.

Valmax Cast Steel Gate Valve Design and Range:
- Design basis: ASME B16.34, GB 12234, API 600.
- Flanged ends: ASME B16.5, GB 9113.
- Butt-welding ends: ASME B16.25.
- Face-to-face dimension: ASME B16.10, GB 12221.
- Inspection and test: API 598, API 6D, JB/T 9092.
- Pressure rating: Class 150 - 2500, PN16 - PN420.
- Product range: 2" - 48", DN50 - DN1200.
- Materials of main parts: WCB, LCB, WC6, WC9, C5, C12.

Valmax Cast Gate Valve Design Features:
- Certified to API 600.
- USA VOC middle shaft micro leakage certification.
- Design of outside screw and yoke (OS&Y).
- Bolted bonnet.
- Pressure self-sealing type bonnet.
- Design of wedge type flexible gate and full guide rail.
- Operation methods: handwheel, bevel gear or electric actuated.
- Overlay welding by hard alloy can be performed on the seat surface according to specifications in API 600.
- Replaceable valve seat and back seat.
- Integral seat and back seat are adopted in stainless steel valves.
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