PTFE lined spacer & blind flange
 
 
 
     
 
 
     
 
Nominal size
ØF
C
Liner thickness t, mm
L (Min)
L (Max)
L (Min)
L (Max)
Inch
mm
mm
mm
Standard wall
Heavy wall
1"
25
48
8
3
20
50
50
100
1.1/2"
40
69
8
3
20
50
50
100
2"
50
88
10
3.5
20
55
55
100
2.1/2"
65
105
10
4.5
25
55
55
100
3"
80
118
12
4.5
25
60
60
100
4"
100
151
12
4.5
25
60
60
100
6"
150
204
14
5
8
30
70
70
120
8"
200
256
14
5
8
30
80
80
150
10"
250
312
20
6
8
30
90
90
150
12"
300
366
20
6
8
30
90
90
150
 
     
 
Note : Minimum liner face thickness shall be 80% of minimum liner wall thickness
 
     

Pipe: ASTM A 106 Grade B, in compliance wig ANSI B 16.28

Steel pipe: According to schedule 40 from 25NB to 150NB, schedule 30 from 200NB to
250 and schedule 20 for 300 NB

Flange & Stub end: IS 2062 Grade B. ANSI B 16.5 ASA150# for drilled holes.

Lining: Pure PTFE in compliance with ASTM D 1457,white in colour

Lining thickness: 3 to 8 mm, exceeds the relevant ASTM F-1545 standard specs.

Operating temperature: -29 to 260 deg. C

Operating pressure: Vaccume to 6 kg / cm. sq.

Hydrostatic pressure test: 10 kg / cm. sq

Air leak test: 3 kg / cm. sq.

Spark test: 10 KV