Home
Products
Safety Valve
Sluice valve
filter
Check valve
Stop valve
Steam trap
Exhaust valve
Butterfly valve
Regulating valve
Ball valve
About Us
Company Information
Certifications
Company Profile
Video
Case
News
Contact Us
Home
Products
Safety Valve
Sluice valve
filter
Check valve
Stop valve
Steam trap
Exhaust valve
Butterfly valve
Regulating valve
Ball valve
About Us
Company Information
Certifications
Company Profile
Video
Case
News
Contact Us
Home
Products
News
Contacts
0
1
2
Home
>>
Products
>>
Check valve
DH44Y low temperature check valve
Share:
Executive standard
Project
Design and Manufacturing
Structural length
Flange standard
Inspection and testing
Standards
API 600
ANSI B16.10
ANSI B16.5
API 598
Materials for Main Parts
Part name
Body, bonnet
, disc, rocker
Pin, nut
Double-ended nuts
Sealing surface
Stuffing
Materials
A352-LCB, A352-LC3, A351-CF8
A182-F304
Cr-Mo steel
Cobalt base complex
Tef-lon
Main performance specifications
Model number
Nominal pressure PN (Lb)
Normal temperature test pressure
Low temperature seal test pressure (MPa)
Working temperature and applicable medium
Housing
Seal
DH44Y-150 (Lb)
150
3.0
0.6
0.6
-46 ° C, ammonia, liquid nitrogen, propane
-101 ° C ethylene, carbon dioxide
-196ºC Methane, liquefied natural gas
DH44Y-300 (Lb)
300
7.5
0.6
0.6
DH44Y-600 (Lb)
600
15.0
0.6
0.6
Main outline dimensions and connection dimensions
Nominal diameter NPS
in
1 1/2
2
2 1/2
3
4
6
8
10
12
14
mm
40
50
65
80
100
150
200
250
300
350
DH44Y-150Lb
L
165
203
216
241
292
356
495
622
698
787
H
154
175
177
191
222
325
383
448
540
560
Kg
14
18
22
30
46
82
116
158
238
DH44Y-300Lb
L
241
267
292
318
356
445
533
622
711
H
172
198
204
222
277
346
412
465
562
Kg
18
26
34
45
64
105
167
272
375
Inquire Now
Next Product
Product Description
