Customizable API 526 1500LB 2H3 Valve – WCB/316 Trim, Adjustable Blowdown, for LNG Plants & Refineries

Customizable API 526 1500LB 2H3 Valve – WCB/316 Trim, Adjustable Blowdown, for LNG Plants & Refineries

J-Series valves provide high quality and dependable overpressure protection for air, gas, steam, vapor, liquid and two-phase applications in one simple design. Now available with two new to the world technologies, Balanced Diaphragm and Bellows Leak Detection.

Appurtenance:

316 trim adjustable blowdown for lng plants refineries-1

Features

✦ Air, water and steam capacity in accordance with ASME/NB

✦ Meets all major global pressure relief standards including ASME VIII, XIII, API 526/527, EN4126 and PED/CE.

✦ Highly customizable to meet most applications.

✦ Interchangeable parts to reduce maintenance costs.

✦ Full nozzle configuration.

✦ Simple and reliable design for easy maintenance.

✦ Soft seat options for superior seat tightness.

✦ Adjustable blowdown to reduce product loss.

✦ Restricted Lift available.

✦ Wired or Wireless Relief Monitoring available.

✦ For high back pressure conditions, TOSB bellows back pressure balancing safety valve can be selected.

Material details

标注3-4_01.jpg 标注3-4_02.jpg

Cap Types
4C2 Screwed with Plug		4N8 Lifting Lever with Plug	4C3 Packed Lifting with Plug

Item	Component	Type TOS NACE	Type TOBS NACE
1	Nozzle	316 Stainless Steel	316 Stainless Steel
2	Nozzle Gasket	Flexible Graphite/Stainless Steel	Flexible Graphite/Stainless Steel
3	Body	ASME SA216 GR WCB	ASME SA351 GR CF8M
4	Set Screw Gasket	Stainless Steel	Stainless Steel
5	Set Screw	Stainless Steel	316 Stainless Steel
6	Nozzle Ring	Stainless Steel	316 Stainless Steel
7	Disc	Stainless Steel	316 Stainless Steel
8	Retention Clip	Stainless Steel	Stainless Steel
9	Disc Holder	Stainless Steel	316 Stainless Steel
9A	Bellows	/	316L Stainless Steel
10	Guide	Stainless Steel	316 Stainless Steel
11	Guide Gasket	Stainless Steel	Stainless Steel
12	Bonnet Stud	ASME SA193 GR. B7	ASME SA193 GR. B8M
13	Bonnet Stud Nut	ASME SA194 CL 2H	ASME SA194 CL 8M
14	Spring Washers	Carbon Steel	Stainless Steel
15	Spring	Alloy Steel	Alloy Steel Corrosion Resistant Coating
16	Spindle	420 Stainless Steel	316 Stainless Steel
17	Adjusting Bolt	Stainless Steel	Stainless Steel
18	Cap Gasket	Stainless Steel	Stainless Steel
19	Adjusting Bolt Nut	Stainless Steel	Stainless Steel
20	Threaded Cap	Stainless Steel	Stainless Steel

American standard pressure dimension table

Orifice Areacm2	Inlet Flange Class	Type	Size(inch)	Connections		Maximum Set Pressure(MPa)						Back pressure limit38℃		Material		Inlet Temp.Range（℃）
			Inlet×Orif-ice×Outlet	Connections		Lnlet Temperature						Back pressure limit38℃		Material
			Inlet×Orif-ice×Outlet	Inlet	Outlet	-268~-60	-59~29	-29℃~38℃	38℃~232℃	233℃~427℃	427~538	TOS-4C2	TOBS-4C2	Body	Spring
5.065(H)	1	TOS-01	11/2H3	150LB	150LB			1.96	1.27	0.55		1.96	1.58	Carbon Steel.	Alloy Steel.	-29~427
	2	TOS-03	11/2H3	300LB	150LB			1.96	1.96	1.96		1.96	1.58
	3	TOS-03a	2H3	300LB	150LB			5.10	4.24	2.82		1.96	1.58
	4	TOS-06	2H3	600LB	150LB			10.20	8.51	5.68		1.96	1.58
	5	TOS-09	2H3	900LB	150LB			15.30	12.72	8.51		1.96	1.58
	6	TOS-15	2H3	1500LB	300LB			18.96	18.96	14.20		5.10	2.86
	3	TOS-03a	2H3	300LB	150LB					3.51	1.48	1.96	1.58	Chrome Molybde-num Steel.	Alloy Steel.	428~538
	4	TOS-06	2H3	600LB	150LB					6.99	2.96	1.96	1.58
	5	TOS-09	2H3	900LB	150LB					10.51	4.48	1.96	1.58
	6	TOS-15	2H3	1500LB	300LB					17.51	7.44	5.10	2.86
	1	TOS-01	11/2H3	150LB	150LB	1.89	1.89	1.89	1.24	0.55	0.13	1.96	1.58	Austenitic Stainless Steel.	Alloy Steel. Stainless Steel.	-268~538
	2	TOS-03	11/2H3	300LB	150LB	1.89	1.89	1.89	1.89	1.89	1.89	1.96	1.58
	3	TOS-03a	2H3	300LB	150LB	4.96	4.96	4.96	3.41	2.89	2.41	1.96	1.58
	4	TOS-06	2H3	600LB	150LB	9.92	9.92	9.92	6.72	5.82	4.82	1.96	1.58
	5	TOS-09	2H3	900LB	150LB	10.23	14.89	14.89	10.23	8.72	7.23	1.96	1.58
	6	TOS-15	2H3	1500LB	300LB	11.03	18.96	18.96	17.09	14.54	12.06	4.13	2.86

Type		ANSI Flange Class		Center to Face		Total Thickness of Flange gnd Nozzle	Approximate height H
		ANSI Flange Class		outlet	lnlet	Total Thickness of Flange gnd Nozzle	Cap Type
		Inlet	outlet	A	B	X	4C2	4N8	4C3
TOS-01	11/2H3	150	150	124.0	130.0	43	515	565	575
TOS-03	11/2H3	300	150	124.0	130.0	43	515	565	575
TOS-03a	2H3	300	150	124.0	130.0	46	515	565	575
TOS-06	2H3	600	150	162.0	154.0	46	635	685	705
TOS-09	2H3	900	150	162.0	154.0	59	715	765	785
TOS-15	2H3	1500	300	162.0	154.0	59	735	785	805