Large diameter carbon steel butterfly valve flange

Material

Carbon steel

ASTM A105, A350 LF1, LF2, LF3, LF6, CL1/CL2,; A694 F52, F60, F65, F70; A516 Gr. 60, 70;

BS-EN 10222-2 P245GH, P280GH; EN10222-4 P355NH, P355QH; EN10273 P250GH, P265GH;

DIN 17243 C22.8; VD-TUEV350/3 C21; GB/T 1591 Q345B, Q420B; NB/T 47008 16Mn,20#;

BS 10250-2 S235JRG2;

Stainless steel

ASTM A182 F304/304L, F316/316L, F316H, F304H, F321H, F310, F316Ti;
NB/T 47010 S30403, S30408, S31603, S31608, S32168;
BS-EN 10222-5 1.4301, 1.4307, 1.4404, 1.4541, 1.4571;

Dimension Standard
(DN15-DN1400mm)

ANSI & ASWE (class 150-2500)

B16.5, B16.47, B16.48;

DIN (6-40bar)

DIN2527, 2573, 2576, 2630-2638, 2627-2629, 2565-2569;

JIS (5K -30K)

JIS B2202, 2210, 2220;

others

GB/T9119, GB/T2506, GB/T9115, GB/T4450, GB/T11693,GB/T3766;

HG/T20592, etc.. other equivalent standards,

and customization with drawings;

TYPE

1.Flat Flange  2.Blind Flange  3.Slip on 4.Lap joint flange 5.Welding neck Flange

6.Socket welding 7.Threaded flange  8.Long welding neck flange. etc.

Connection

Raised Face, Flat Face, etc

Size

1/2"-64"

Package

1.>Standard export packaging (Plywood Case Of Outside,Plastic Cloth Of Inside).

2:As Customers' Requirements

Certificate

ISO9001:2015;

Applications

Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry, and general pipes connecting projects etc.