BS EN ISO 10434 PDF

This specification sets forth the requirements for the following gate valve features: — bolted bonnet; — outside screw and yoke; — rising stems; — non-rising handwheels; — single or double gate; — wedge or parallel seating; — metallic seating surfaces; — flanged or butt-welding ends. It covers valves of the nominal sizes DN: 25; 32; 40; 50; 65; 80; ; ; ; ; ; ; ; ; ; and is applicable for pressure designations PN: 20; 50; ; ; ; when metric sized bolt holes are provided in end flanges and PN designations are marked on the valve body. At the time of the publication, the editions indicated were valid. ISO ,Plain end steel tubes, welded and seamless—Dimensions. ISO ,Industrial valves—Pressure testing of valves. ISO ,General purpose industrial valves—Marking.

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This specification sets forth the requirements for the following gate valve features: — bolted bonnet; — outside screw and yoke; — rising stems; — non-rising handwheels; — single or double gate; — wedge or parallel seating; — metallic seating surfaces; — flanged or butt-welding ends. It covers valves of the nominal sizes DN: 25; 32; 40; 50; 65; 80; ; ; ; ; ; ; ; ; ; and is applicable for pressure designations PN: 20; 50; ; ; ; when metric sized bolt holes are provided in end flanges and PN designations are marked on the valve body.

At the time of the publication, the editions indicated were valid. ISO ,Plain end steel tubes, welded and seamless—Dimensions. ISO ,Industrial valves—Pressure testing of valves. ISO ,General purpose industrial valves—Marking. ISO ,Industrial valves—Multi-turn valve actuator attachments. ISO —1 ,Metal valves for use in flanged pipe systems—Face-to-face and centre-to-face dimensions. ISO ,Pipe components — Definition of nominal pressure.

ASME B1. ASME B ASTM A,Specification for alloy steel and stainless steel bolting materials for high-temperature service. If you have any quesiton or enquiry about API gate valves, feel free contact Sangong team with info sangongvalve. You must be logged in to post a comment. Leave a Reply Cancel reply You must be logged in to post a comment. Next Post Next Tilting disc swing check valve.

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ISO 10434:2004

ISO specifies the requirements for a heavy-duty series of bolted bonnet steel gate valves for petroleum refinery and related applications where corrosion, erosion and other service conditions would indicate a need for full port openings, heavy wall sections and large stem diameters. It sets forth the requirements for the following gate valve features: bolted bonnet; outside screw and yoke; rising stems; nonrising handwheels; single or double gate; wedge or parallel seating; metallic seating surfaces; flanged or butt-welding ends. It is applicable to pressure Class designations , , , , and Check out our FAQs. Buy this standard. Therefore this version remains current. CHF Buy.

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