Tanhov Industrial Co., Ltd.

Tanhov Industrial Co., Ltd.

Type A21H Low Lift Safety Valve

Tel:+0086-577-21828858 Fax:+0086-577-21828855
+Add:Sanqiao Industrial Zone,Oubei,Wenzhou,Zhejiang,China
Type A21H Low Lift Safety Valve  Series:Thermal/Threaded Valve

Type A21H, KA21 Pressure Reilef  Valve

 

safety valve/pressure relief valve, angle type

low lift, metal to metal seated/soft seal

threaded connection end

 

Applications

Provided as safety device for protection against excessive pressure in pressure vessels.

 Approved for gases and fluids.

Working temperatures: A21F, A21H-C, A21W-P,R ≤ 200℃; KA21Y ≤ 100℃

 

Standards Compliance

Design and Manufacture: GB/T 12241-2005, GB/T 12243-2005 

Face to Face(end to end): JB/T 2203-1999 

Test and Inspection: GB/T 12243-2005

 

 

Material for main parts

NO Name of part A21H-C/A21F,KA21Y-C Material A21W-P/A21F-P /KA21Y-P Material A21Y-R Materials
1 Union 20 304 316
2 Union nut 35 2Cr13 304
3 Nozzle 35 304 316
4 Body 2Cr13 304 316
5 Disc 2Cr13/PTFE 304/PTFE 316
6 Spring Washer 2Cr13 304 316
7 Spring 50CrVA 50CrVA coated teflon 50CrVA coated teflon
8 Locking Nut Q235-A 2Cr13 304
9 Spring guide 2Cr13 304 316
10 Adjust nut Q235-A 2Cr13 316
Sealing surface of material "H" depositing D507, "W" same as body, "Y" depositing stellite, "F" PTFE soft seal

 

Essential:
Valves are delivered at a set pressure, therefore when ordering
please confirm set pressure, medium and temperature

 

TS
Safety accessory and Safety protection device
Manufacture License of Special Equipment, People's republic of China

 

Dimensions(mm)

Type DN do d D0 M d1 D1 L L1 ≈H
KA21Y-16C,
A21H-16C,A21H-40,
A21W-16P, A21W-40P,
KA21Y-16P
15 12 15 20 M27x1.5 G1/2" 30 35 76 66
20 16 20 25 M33x1.5 G3/4" 34 40 87 68
25 18 25 31 M39x1.5 G1" 40 50 100 105
A21Y-64, A21Y-64P
A21Y-100, A21Y-100P
15 10 15 25 M39x1.5 G1" 44 50 100 66
20 10 20 31 M39x1.5 G1" 44 50 100 68
25 12 25 31 M39x1.5 G1" 44 50 100 105
A21W-160
A21W-160P
15 8 20 / M24x2 G1" 44 50 100 261
20 8 25 / M33x2 G1" 44 50 100 261
25 8 28 / M36x2 G1" 44 50 100 285

Remark: NPT, R, G thread are accepted

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Contact Us

Tel:  86-577-21828858

Mobile:  86-13454845566

Fax:  86-577-21828855

Contact Person:  Jacob Zhou

E-mail:  sales@tanhov.com

QQ:  QQOnline Service

Skype:  Contact me with skype

whatsapp:  +86-13454845566

Web:  http://www.tanhov.com/