Model: GZW-1
Nominal diameter: DN20 ~ 200mm
Nominal pressure: PN0.6 ~ 5.0MPa
Working temperature: ≤480 ℃ The
Main material: carbon steel WCB, stainless steel 304,316
Applicable medium: A, oil, liquefaction class, kerosene, diesel oil, a stupid, crude oil
Connection: flange connection (II) thread connection (III) male thread (IV)
Design standards: GB5908-86, GB1347-92 Flange standard: HG 20592- 97, ANSI B 1.6, GB HGJ SH JB

First, GZW-1 explosion-proof pipe flame arrester Overview:
GZW-1 explosion- proof flame -type pipe flame arrester is a new combustible gas pipe flame arrester, is a replacement of new products. 
The flame arrester by the China University of Science and Tianjin Fire Research Institute * * joint test, its performance in full compliance with GB13347-92 "flame retardant gas pipelines and test methods," the provisions. Flame arrester structure is reasonable, fire-retardant layer made of stainless steel, corrosion-resistant easy to clean. Shell with stainless steel, carbon steel and other materials to meet the needs of a variety of different process pipe.  

Second, GZW-1 explosion-proof pipe flame arrester performance and features:  
1, the flame arrester structure is reasonable, light weight, corrosion resistance, explosion-proof performance qualified for 13 times in a row to subsonic flame test Fire. 
2, easy maintenance, easy installation. Resistance to burning qualified, resistant to burning test 1 hour without tempering. 
3, flame arrester core stainless steel, corrosion-resistant, easy to clean. Shell hydraulic test qualified.  

Three, GZW-1 explosion-proof pipe flame arrester Scope of application: 
      The flame arrester is suitable for pipes, flash point below 28 ℃ Class A, oil, hydrogenated liquefied and flash point less than 60 ℃ kerosene, diesel, a stupid Crude oil, flammable gas transmission pipeline, torch, oil and gas recovery system, furnace fuel gas pipe network, gas purification Tonghua system, gas analysis system, coal mine gas emission system.  

Fourth, GZW-1 explosion-proof pipe flame arrester components and materials:

Body material	Carbon steel WCB, stainless steel 304,316
Fire retardant core material	Stainless steel explosion-proof corrugated plate
Sealing material	Asbestos rubber, PTFE PTFE
Ambient temperature ℃	≤480 ℃
Nominal pressure (MPa)	0.6 ~ 5.0MPa
Explosion-proof level	BS5501: Ⅱ A, Ⅱ B, Ⅱ C

Fifth, GZW-1 explosion-proof pipe flame arrester connection size: 

specification	Installation size (mm)
	D	K	DL	L	Nd
DN20	105	75	195	200	4 × 14
DN25	115	85	195	200	4 × 14
DN32	135	100	245	220	4 × 18
DN40	145	110	245	240	4 × 18
DN50	160	125	245	240	4 × 18
DN65	180	145	245	240	4 × 18
DN80	195	160	280	270	8 × 18
DN100	215	180	335	280	8 × 18
DN125	245	210	380	300	8 × 18
DN150	280	240	460	360	8 × 22
DN200	335	295	520	420	12 × 22