API 600 Stainless Steel Self-sealing Gate Valve

Product Name: API 600 Stainless Steel Self-sealing High-pressure Gate Valve.
Design and manufacturing: API 600.
Nominal pressure (LB): 150, 300, 600.
Body and bonnet: WCB, 1Cr18Ni9Ti, CF8(SS 304), CF3(SS 304L), 1Cr18Ni12Mo2Ti and CF8M(SS 316).
Sealing surface: Cr13 or cemented carbide.
Inspection and Testing: API 598.

The API 600 Stainless Steel Self-sealing High-pressure Gate Valve which is manufactured by Topper Valve is applied to ANSI Class 150 - 2500, PN20 - 42, JIS 10 - 20K, working temperature -40 - 500 ℃ (stainless steel) and -29 - 425 ℃ (carbon steel) pipeline. It can be applied to various media such as oil, water, steam, nitric acid, acetic acid, etc.

Performance parameters

Nominal pressure（Lb)	Strength test		Water seal test		Gas seal test
	MPa	Lbf/in2	MPa	Lbf/in2	MPa	Lbf/in2
150	3.1	450	2.2	315	0.6	60
300	7.8	1125	5.6	815	0.6	60
600	15.3	2225	11.2	1630	0.6	60

The main part material

Body, bonnet, gate	WCB	1Cr18Ni9Ti	CF8(304)	CF3(304L)	1Cr18Ni12Mo2Ti	CF8M(316)
Sealing surface	Cr13 or cemented carbide	Body (W) or cemented carbide (Y)
Stem and inner parts	2Cr13	1Cr18Ni9Ti	0Cr19Ni9(304)	00Cr19Ni11(304L)	1Cr18Ni12Mo2Ti	0Cr17Ni12Mo2(316)
filler	Flexible graphite
Gasket	Stainless steel spiral wound gasket
Suitable media	Water, steam, oil and so on	Nitric acid and other corrosive media		Strong oxidizing media	Acetic acid and other corrosive media
proper temperature	-29~425℃	-40~500℃

The main shape and connection dimensions

Nominal diameter	The main dimensions and connection dimensions
	L	D	D1	D2	b	Z-d	H	D0
150LB
50	178	150	120.5	92	16	4-Φ19	323	200
65	190	180	139.5	105	18	4-Φ19	347	250
80	203	190	152.5	127	19	4-Φ19	383	250
100	229	230	190.5	157	24	8-Φ19	457	300
125	254	255	216	185.7	24	8-Φ22	632	300
150	267	280	241.5	216	26	8-Φ22	635	350
200	292	345	298.5	270	29	8-Φ22	762	350
250	330	405	362	324	31	12-Φ25	895	400
300	356	485	432	381	32	12-Φ25	1080	500
350	381	535	476	413	35	12-Φ29	1295	600
400	406	595	540	470	37	16-Φ29	1435	600
300LB
50	216	165	127	92	22	8-19	330	250
65	241	190	149	105	25	8-22	368	250
80	283	210	168.5	127	29	8-22	394	300
100	305	255	200	157	32	8-22	473	300
125	381	280	235	186	35	8-22	660	350
150	403	320	270	216	37	12-22	711	350
200	419	380	330	270	41	12-25	813	400
250	457	445	387.5	324	48	16-29	1003	500
300	502	520	451	381	51	16-32	1137	600
350	762	585	514.5	413	54	20-32	1489	600
400	838	650	571.5	470	57	20-32	1581	650