美标闸阀 美标闸阀

The gate valve can only be fully opened and fully closed to be used for cutting in the pipeline.It has 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 steel gate valve of Valmax Company is that it can be ensured that the permissible leakage rate can be lower than that specified in API6D and API600,and the middle shaft sealing can pass the USA VOC leakage test. Valmax Company can provide trims of various materials including materials specified by API600. We can also provide valves of various casting materials, such as carbon steel, stainless steel, alloy, Hastelloy, nickel chrome and etc.
Describes the design and product range: 
◇Design basis: ASME B16.34, GB12234, API600
◇Flanged ends: ASME B16.5, GB9113
◇Butt-welding ends: ASME B16.25
◇Face-to-face dimension: ASME B16.10, GB12221
◇Inspection and test: API598, API6D, JB/T9092
◇Pressure rating: Class150～2500, PN16～PN420
◇Product range: 2″～48″, DN50～DN1200
◇Materials of main parts: WCB, LCB, WC6, WC9, C5, C
Design features: 
◇ Certified to API600
◇ USA VOC middle shaft micro leakage certification
◇ Design of outside screw and yoke
◇ Bolted bonnet
◇ Pressure self-sealing type bonnet
◇ Design of wedge type flexible gate and full guide rail
◇ Operation methods: handwheel, bevel gear or electric operation
◇ Overlay welding by hard alloy can be performed on the seat surface according to specifications in API600
◇ Replaceable valve seat and back seat
◇ Integral seat and back seat are adopted in stainless steel valves
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