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黃銅安全閥，中國臺灣317安全閥

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產(chǎn)品型號SV-B27

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產(chǎn)品簡介

安全閥在系統(tǒng)中起安全保護作用。當(dāng)系統(tǒng)壓力超過規(guī)定值時，安全閥打開，將系統(tǒng)中的一部分氣體/流體排入大氣/管道外，使系統(tǒng)壓力不超過允許值，從而保證系統(tǒng)不因壓力過高而發(fā)生事故。

詳細介紹

MODEL: SV-B27
BRONZE SAFETY RELIEF VALVE (OLD MODEL: S3W-A)

MODEL: SV-B27 / SVP-B27 WITHOUT LEVER

MODEL: SV-B29 / SVP-B29 WITH LEVER

SV-B27/SV-B29 optional Pressure: 10.5~20 Kgf/cm²

When placing order, please indicate Working Pressure

The Disc can be replaced with PTFE for good effect of anti-leakage. (Model: SVP-B27, SVP-B29)

Working Fluid :	SV-B27/SV-B29/SVP-B29 Non-Corrosive Gas, Air, Steam. SVP-B27 (without lever) Non-Corrosive Gas, Liquid, Air, Steam, Water, Oil.
Working Temp:	-45℃～185℃
Working Pressure:	SV-B27 / SV-B29 : 0.3 ~ 10 Kgf/cm²11 ~ 20 Kgf/cm² SVP-B27 / SVP-B29 (PTFE) 3 ~ 10 Kgf/cm²
Thread End:	BSPT (BS21), NPT (ANSI B2.1)

MATERIAL:
No./ Parts		W/O Lever	SV-B27 (S3W-A)	SVP-B27
No./ Parts		With Lever	SV-B29 (S3W-LR)	SVP-B29
	Type :		METAL TO METAL	PTFE
1	Valve Seat		FORGE BRASS	FORGE BRASS
2	Valve Disc		FORGE BRASS	FORGE BRASS
3	Valve spindle (Stem)		FORGE BRASS	FORGE BRASS
3-1	Valve Seal		-	PTFE
4	Valve Body		BRONZE	BRONZE
5	Spring Shoe		BsBM	BsBM
6	Adjusting Screw		BsBM	BsBM
7	Stop Nut		BsBM	BsBM
8	Cap		FORGE BRASS	FORGE BRASS
9	Lever (Type: B29)		STEEL	STEEL
10	Spring		SWOSC-V	SWOSC-V
11	Screw Washer		BsBM	BsBM
12	Hexagon Nut		BsBM	BsBM
13	Stop Bolt		BsBM	BsBM
14	Pin		BsBF	BsBF

This type of safety valve is characterized by regulating of pressure in valve rising and blowing-out when actuated and is the smallest and lightest valve, and also can be used in non-corrosive gases (air, oxygen, nitrogen, etc.) steam and liquids, such as water and oil. The sizes shown in the chart are subject to change without notice.

Nominal Diameter	Valve Seat Diameter D	Lift l	Effective Area mm²			L1 E	L2 F	Fitting Screw		Closed Type		Lever Type
Nominal Diameter	Valve Seat Diameter D	Lift l	2.22Dl	πD l	0.785D²	L1 E	L2 F	Inlet d1	Outlet d2	A mm	Weight	A1 mm	Weight
12	12	0.52	13.32	18.84	113.0	29	50	PT 1/2	PF 1/2	138	0.52	161	0.59
19	19	0.76	32.05	45.36	283.3	36	58	PT 3/4	PF 3/4	150	0.66	172	0.74
25	25	1.00	55.50	78.53	490.6	40	70	PT 1	PF 1	180	1.09	202	1.19
32	32	1.28	90.93	128.67	803.8	50	82	PT 1.1/4	PF 1.1/4	206	1.90	222	1.94
38	38	1.52	128.22	181.45	1133.5	54	93	PT 1.1/2	PF 1.1/2	231	2.35	246	2.39
50	50	2.00	222.00	314.15	1962.5	67	102	PT 2	PF 2	265	3.85	282	4.11