METAL SEAT (FORGED) BALL VALVE

Product Overview

Forged steel flange type high pressure ball valve closing parts of the ball around the center line of the valve body for rotation to open and close a valve, the seal is embedded in the stainless steel valve seat, the metal valve seat is provided with a spring, when the sealing surface wear or burn, under the action of the spring to push the valve seat and the ball to form a metal seal.Exhibit unique automatic pressure release function, when the valve lumen medium pressure more than spring pre-tightening force, outlet valve seat back out of the sphere, achieve automatic relief effect, after pressure relief valve seat automatic reset, and is applicable to water, solvent, acid and gas, such as general work medium, but also is suitable for the working conditions of media, such as oxygen, hydrogen peroxide, methane and ethylene,It has been applied well in various industries. Product structure features: 1. All parts of this product are forgings. 2, the use of bottom-mounted valve stem, set up inverted sealing structure, to ensure that the packing place reliable sealing and prevent the stem out. 3. Adopt inlaid valve seat.O-ring is set behind the valve seat to ensure that the medium does not leak out.

Product Structure

MAIN OUTER SIZE

(GB)： PN40 (GB)： PN63 (GB)： PN100 (ANSI): 300LB (ANSI): 600LB

Nominal diameter		L	D	D1	D2	b	f	n-Φd
4″	100	432	275	215.9	157.2	45.1	7	8-25
5″	125	508	330	266.7	185.7	51.5	7	8-30
6″	150	559	355	292.1	215.9	54.7	7	12-29
8″	200	660	420	349.2	269.9	62.6	7	12-32
10″	250	787	510	431.8	323.8	70.5	7	16-35
12″	300	838	560	489	381	73.7	7	20-35
14″	350	889	605	527	412.8	76.9	7	20-38

(ANSI): 900LB

Nominal diameter		L	D	D1	D2	b	f	n-Φd
4″	100	432	290	235	157.2	51.5	7	8-32
5″	125	508	350	279.4	185.7	57.8	7	8-36
6″	150	559	380	317.5	215.9	62.6	7	12-32
8″	200	660	470	393.7	269.9	70.5	7	12-38
10″	250	787	545	469.9	323.8	76.9	7	16-38
12″	300	838	610	533.4	381	86.4	7	20-38
14″	350	889	640	558.8	412.8	92.8	7	20-42
16″	400	991	705	616	469.9	95.9	7	20-45