The flange is a flanged part. Flange can be single, called flange plate, or combination type, such as the flange at both ends of the valve, which is easy to install bolts.
1、 Steel pipe flange standard for valve connecting flange of China Machinery Industry
JB / T 74 technical conditions for pipe flange
JB / T 75 type of pipe flange
JB / T 79.1 raised face integral cast steel pipe flange
JB / T 79.2 raised face integral cast steel pipe flange
JB / T 79.3 tenon groove integral cast steel pipe flange
JB / t 79.4 ring joint surface integral cast steel pipe flange
JB / T 81 raised face flat welded steel pipe flange
JB / T 82.1 Raised face butt welded steel pipe flange
JB / T 82.2 raised face butt welded steel pipe flange
JB / T 82.3 tenon groove face welded steel pipe flange
JB / T 82.4 ring connection face welded steel pipe flange
JB / T 83 flat welded ring plate loose set steel pipe flange
JB / T 84 raised face welded ring plate loose set steel pipe flange
JB / T 85 flanging plate loose set steel pipe flange
JB / T 86.1 raised face steel pipe flange cover
JB / T 86.2 Concavoconvex steel pipe flange cover II. Steel pipe flange Chinese national valve connection flange standard
GB / T 9112 ~ GB / T 9124-2000 steel pipe flange. The flange sealing surface forms of integral steel pipe flange include plane, raised face, concave convex face, tenon groove face and ring connection face.
GBT 9112 type and parameters of steel pipe flange
GBT 9113.1 plane and raised face integral steel pipe flange
GBT 9113.2 concave convex integral steel pipe flange
GBT 9113.3 mortise and groove integral steel pipe flange
GBT 9113.4 ring connection plane integral steel pipe flange
GBT 9114 raised face threaded steel pipe flange
GBT 9115.1 plane and raised face butt welded steel pipe flange
GBT 9115.2 Concave convex face butt welded steel pipe flange
GB / T 9115.3 tenon face butt welded steel pipe flange
GB / T 9115.4 ring connection face butt welded steel pipe flange
GB / T 9116.1 plane, raised face with neck flat welded steel pipe flange
GB / T 9116.2 concave convex face with neck flat welded steel pipe flange
GB / T 9116.3 tenon face with neck flat welded steel pipe flange
GB / T 9116.4 ring connection face with neck flat welded steel pipe flange
GB / T 9117.1 Raised face and neck socket welding steel pipe flange
GB / T 9117.2 concave convex face and neck socket welding steel pipe flange
GB / T 9117.3 mortise and groove face and neck socket welding steel pipe flange
GB / T 9117.4-ring joint face and neck socket welding steel pipe flange
GB / T 9118.1 raised face and neck collar loose sleeve steel pipe flange
GB / T 9118.2 ring joint and neck loose sleeve steel pipe flange
GB / T 9119 Flat and raised face plate welding steel pipe flange
GB / T 9120.1 raised face welding ring plate loose sleeve steel pipe flange
GB / T 9120.2 raised face welding ring plate loose sleeve steel pipe flange
GB / T 9120.3 tenon groove face welding ring plate loose sleeve steel pipe flange
GB / T 9121.1 raised face welding ring plate loose sleeve steel pipe flange
GB / T 9121.2 raised face welding ring plate loose sleeve steel pipe flange
GB / T 9121.3 Flat welding ring plate loose set steel pipe flange with tenon and groove face
GB / T 9122 flanging ring plate loose set steel pipe flange
GB / T 9123.1 flat and raised face steel pipe flange cover
GB / T 9123.2 concave convex steel pipe flange cover
GB / T 9123.3 steel pipe flange cover with tenon and groove face
GB / T 9123.4 steel pipe flange cover with ring joint face
GB / T 9124 steel pipe flange technical conditions 3、 Steel pipe flange standard for valve connecting flange of China chemical industry European system steel pipe flange
Hg 20592 steel pipe flange type and parameter
Hg 20593 plate flat welding steel pipe flange
Hg 20594 neck flat welding steel pipe flange
Hg 20595 neck butt welding steel pipe flange
Hg 20596 integral steel pipe flange
Hg 20597 socket welding steel pipe flange
Hg 20598 threaded steel pipe flange
Hg 20599 Butt welding ring loose sleeve steel pipe flange
Hg 20600 flat welding ring loose sleeve steel pipe flange
Hg 20601 steel pipe flange cover
Hg 20602 stainless steel lining flange cover
Hg 20603 steel pipe flange technical conditions
Hg 20604 steel pipe flange pressure temperature grade
Hg 20605 steel pipe flange welding joint and groove size American system steel pipe flange standard
Hg 20615-1997 steel pipe flange type and parameter
Hg 20616-1997 neck flat welding steel pipe flange
Hg 20617-1997 neck butt welding steel pipe flange
Hg 20618-1997 integral steel pipe flange
Hg 20619-1997 socket welding steel pipe flange
Hg 20620-1997 threaded steel pipe flange
Hg 20621-1997 butt welding ring loose sleeve steel pipe flange
Hg 20622-1997 steel pipe flange cover
Hg 20623-1997 large diameter steel pipe flange
Hg 20624-1997 Specification for steel pipe flange
Hg 20625-1997 steel pipe flange pressure temperature grade
Hg 20626-1997 steel pipe flange welding joint and groove size copper alloy and composite flange standard
GB / T 15530.1 copper alloy integral casting flange
GB / T 15530.2 copper alloy butt welding flange
GB / T 15530.3 copper alloy plate type flat welding flange
GB / T 15530.4 copper alloy neck flat welding flange
GB / T 15530.5 Copper alloy flat welding ring loose plate steel flange
GB / T 15530.6 copper alloy butt welding ring loose plate steel flange
GB / T 15530.7 copper alloy flange cover
GB / T 15530.8 copper alloy and composite flange technical conditions fastener for pipe flange connection
Hg 20613 fastener for steel pipe flange (European system)
Hg 20634 fastener for steel pipe flange (American system) sh 3404 fastener for pipe flange
Contact Person: Mr. Hanson
Tel: 008613861704164