Cylindrical fully welded pipeline ball valve-Gas valve series-燃气阀厂家-上海冠环阀门制造有限公司

Product overview

Body joint is fully welded that eliminates external leakage through body joint. The valves are specially suitable for long distance buried pipelines with rigorous service conditions, such as city gas, city heating, petrochemical plants and etc.

The main structure features include:

1.Flow resistance is small；

2.Piston seat, fire safe, antistatic design；

3.No limitation on the flow direction；

4.When valve is in full open position, seat surfaces are outside flow stream that always in full contact with gate that can protect seat surfaces, and suitable for pigging pipeline;

5.Spring loaded packing can be chosen;

6.Low emission packing can be chosen according to ISO 15848 requirement;

7.Stem extended design can be chosen;

8.Metal to metal seat design can be chosen;

9.DBB，DIB-1，DIB-2 structure can be chosen；

10.The ball is fixed with a supporting plate and a fixed shaft;

11.Single welding joint or double welding joint design can be chosen.

大口径全通径球阀(图1)

Main connection size

DN(mm）	Nominal diameter	DH	d	t	L	H1	H2	WT（Kg)
600	600	1016	630	22	1143	650	860	2000
700	700	1130	720	24	1346	705	915	3100
800	800	1245	820	28	1524	770	1000	4700
900	900	1415	920	30	1727	855	1110	5700
1000	980	1555	1020	32	1840	925	1180	6600
1200	1166	1860	1220	40	2100	1075	1430	11000