Check Valve
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NEOTECHA Ball Check Valve Type KR and Sight Glass Type SG Pentair reserves the right to change the contents without notice NEOJV-0004-EN-1305 These PFA lined products offer a reliable solution in hazardous applications. Features sight glasses • Heavy duty body in ductile iron GGG40.3 (ASTM A-395). • Heavy duty PFA lining. • Borosilicate glass for temperatures up to 200°C. • Integral drip nose for low flow indication. • Suitable for full vacuum since the PFA is anchored in several places to the casting. • Glass protector in FEP for HF applications. • Polyester coating (RAL 9002). • Machined sealing faces ensure a leakfree flange connection. All products are subject to a pressure and leaktest acc. to DIN 3230, part 3. Features check valves • Heavy duty body in ductile iron GGG40.3 (ASTM A-395). • Heavy duty PFA lining. • Borosilicate glass for temperatures up to 200°C. • PTFE ball guided with 4 ribs for vertical and horizontal applications. • Replaceable soft seats in EPDM, FPM and Perfluor for bubble tightness. • Blind covers in carbon steel for HF application. • Suitable for full vacuum since the PFA is anchored in several places to the casting. • Polyester coating (RAL 9002). • Machined sealing faces ensure a leakfree flange connection. General applications Check valves are used for prevention of back flow on liquid columns in front of pumps with solid balls. In liquids and gases as overflow protection with hollow balls. In conjunction with safety valves on exhaust systems with steel encapsulated PTFE lined balls. General technical data Size (mm) : 25, 40, 50, 80 (inch) : 1, 1 1 ⁄2, 2, 3 Pressure rating : PN16 Temperature (°C) : -40 +200 Flanges : PN16, ANSI 150, JIS 10K on request Face to face : EN 558-1 Tightness : when mounted in a horizontal line 1.5 bar differential pressure is required for tight closure, and 0,5 bar when a softseat is fitted www.pentair.com/valves
Transcript of Check Valve
NEOTECHA
Ball Check Valve Type KR and Sight Glass Type SG
Pentair reserves the right to change the contents without notice NEOJV-0004-EN-1305
These PFA lined products offer a reliable solution in hazardous applications.
Features sight glasses• Heavy duty body in ductile iron GGG40.3
(ASTM A-395).• Heavy duty PFA lining.• Borosilicate glass for temperatures up to
200°C.• Integral drip nose for low flow indication.• Suitable for full vacuum since the PFA is
anchored in several places to the casting.• Glass protector in FEP for HF
applications.• Polyester coating (RAL 9002).• Machined sealing faces ensure a leakfree
flange connection.
All products are subject to a pressure and leaktest acc. to DIN 3230, part 3.
Features check valves• Heavy duty body in ductile iron GGG40.3
(ASTM A-395).• Heavy duty PFA lining.• Borosilicate glass for temperatures up to
200°C.• PTFE ball guided with 4 ribs for vertical
and horizontal applications.• Replaceable soft seats in EPDM, FPM
and Perfluor for bubble tightness.• Blind covers in carbon steel for HF
application.• Suitable for full vacuum since the PFA is
anchored in several places to the casting.• Polyester coating (RAL 9002).• Machined sealing faces ensure a leakfree
flange connection.
General applicationsCheck valves are used for prevention of back flow on liquid columns in front of pumps with solid balls.In liquids and gases as overflow protection with hollow balls.In conjunction with safety valves on exhaust systems with steel encapsulated PTFE lined balls.
General technical dataSize (mm) : 25, 40, 50, 80 (inch) : 1, 11⁄2, 2, 3Pressure rating : PN16Temperature (°C) : -40 +200Flanges : PN16, ANSI 150, JIS 10K on requestFace to face : EN 558-1Tightness : when mounted in a
horizontal line 1.5 bar differential pressure is required for tight closure, and 0,5 bar when a softseat is fitted
www.pentair.com/valves
25 1” 17.5 20.040 11/2” 32.0 37.050 2” 51.0 60.080 3” 128.0 148.0
25 1 90 80 160 75 48 63 30 10 68 115 85 4x14 50 108 79 4x16 4.740 11/2 118 105 200 92 65 80 46 12 88 150 110 4x18 73 127 98 4x16 9.350 2 134 125 230 107.5 82 100 56 15 102 165 125 4x18 92 152 121 4x19 12.580 3 196 190 310 145 150 175 90 25 138 200 160 8x18 127 190 152 4x19 26.0
Ball Check Valve, PFA lined, Type KRdimensions
Pentair reserves the right to change the contents without notice page 2
Materials of construction
Pos. Description Material
1 Body Ductile iron GGG 40.3 PFA lined (ASTM 395)2 Cover Ductile iron GGG 40.33 Glass Borosilicate DIN 70803a Cover, blind Carbon steel4 Gasket IT 150, Asbestos free5 Ball, guide PTFE/Glass 15%6 Ball, solid Virgin PTFE6a Ball, hollow Virgin PTFE6b Ball, steel encapsulated PTFE7 Seat See options (2)8 Bolt, hex Steel 8.8, galv.9 Nut Steel 8.8, galv.
Note: max. operating temperatures with soft seat EPDM 120°C, FPM 160°C, Perfluor 200°C
Options
The following options from the standard version can be supplied:1. Blind cover Pos. 3a can be supplied in carbon steel.2. Soft seat can be supplied in EPDM, FPM or Perfluor Pos 7.3. Hollow ball or ball with steel core Pos 6.4. SS bolts and nuts grade A2-70 Pos. 8, 9.5. For HF application ball guide Pos. 5 is virgin PTFE. The glass can be protected with a semi
translucent FEP disc 1,6 mm thick to avoid direct contact of the media with the glass.
Flow values
DN Size Kv Cv
Kv = m3/h water at Δp of 1 barCv = USG/min. at Δp of 1 psi
Dimensions and weights
Size Dimensions PN16 ANSI 150 Weight
mm inch B E L H F G K S A D TK nxd A D TK nxd kg
Pressure - temperature diagram*
* valid for solid PTFE ball only
Vacuum0,1 mbar
D
K
d4
DN n x d
2
1
L
4
3
16
14
12
10
8
6
4
2
0
-10 50 100 150 180 C0
bar
15 1/2 95 65 47 4x14 160 4.0 89 60 35 4x13 140 3.5 20 3/4 105 75 58 4x14 160 4.5 98 70 43 4x13 140 4.0 25 1 115 85 68 4x14 160 5.0 108 79 50 4x16 127 4.5 40 11/2 150 110 88 4x18 200 8.5 127 98 73 4x16 165 8.0 50 2 165 125 102 4x18 230 12.5 152 121 92 4x19 178 12.5 80 3 200 160 138 8x18 310 22.0 190 152 127 4x19 203 23.0100 4 200 180 158 8x18 350 31.0 228 190 156 8x19 229 33.0150 6 285 240 212 8x22 480 59.0 279 241 205 8x22 267 59.0200* 8 340 295 268 8xM20 600 82.0 342 342 298 8x22 292 80.0
Pentair reserves the right to change the contents without notice page 3
Ball Check Valve, PTFE lined, Type KR - S
Materials of construction
Pos. Description Material
1 Body Carbon steel R-St 37.22 Ball, solid Virgin PTFE3 Bolts* Steel 8.8, galv.4 Nut* Steel 8.8, galv.* stainless steel bolts and nuts on request.
Technical data
Size (mm) : 15, 20, 25, 40, 50, 65, 80, 100, 150, 200 (inch) : 1/2, 3/4, 1, 11/2, 2, 21/2, 3, 4, 6, 8Pressure rating : PN16 (except DN 200, PN10)Temperature (°C) : -10 +180Flanges : DIN PN16 or ANSI B16.05 class 150Face to face : EN 558-1 or ANSI B16.10 class 150Ball : solid virgin PTFE hollow virgin (option) PTFE
Pressure - temperature diagram
Dimensions and weights
Size PN16 Weight ANSI 150 Weight
mm inch D K d4 nxd L kg D K d4 nxd L kg
Features
The ball check valve type KR-S is made from a heavy duty carbon steel welded construction. The lining is isostatically moulded PTFE with a minimal wall thickness of 4 mm. The valve is available in DIN and ANSI versions.
Vacuum0,1 mbar
25 1” 30 3540 11/2” 78 9150 2” 138 16280 3” 397 465
25 1 90 80 160 75 48 63 30 10 68 115 85 4x14 50 108 79 4x16 4.640 11/2 118 105 200 92 65 80 46 12 88 150 110 4x18 73 127 98 4x16 9.150 2 134 125 230 107.5 82 100 56 15 102 165 125 4x18 92 152 121 4x19 12.280 3 196 190 310 145 150 175 90 25 138 200 160 8x18 127 190 152 4x19 25.0
Sight Glass, PFA lined, Type SGdimensions
Pentair reserves the right to change the contents without notice page 4
Materials of construction
Pos. Description Material
1 Body Ductile iron GGG 40.3, PFA lined (ASTM 395)2 Cover Ductile iron GGG 40.33 Glass Borosilicate DIN 70804 Gasket IT 150, Asbestos free5 Bolt, hex Steel 8.8, galv.6 Nut Steel 8.8, galv.
Options
The following options from the standard version can be supplied:1. SS bolts and nuts, grade A2-70 Pos. 5, 6.2. For HF application the glass can be protected with a semi translucent FEP disc 1,6 mm thick to
avoid direct contact of the media with the glass.
Flow values
DN Size Kv Cv
Dimensions and weights
Size Dimensions PN16 ANSI 150 Weight
mm inch B E L H F G K S A D TK nxd A D TK nxd kg
Pressure - temperature diagram
Vacuum0,1 mbar
nxdDN
5
3
1
D
K
d4
2
L
4
16
14
12
10
8
6
4
2
0
-10 50 100 150 180 C0
bar
15 1/2 95 65 47 4x14 160 4.0 89 60 35 4x13 140 3.5 20 3/4 105 75 58 4x14 160 4.5 98 70 43 4x13 140 4.0 25 1 115 85 68 4x14 160 5.0 108 79 50 4x16 127 4.5 32 11/4 140 100 78 4x18 180 7.5 117 89 64 4x16 140 7.0 40 11/2 150 110 88 4x18 200 8.5 127 98 73 4x16 165 8.0 50 2 165 125 102 4x18 230 12.5 152 121 92 4x19 178 12.5 65 21/2 185 145 122 4x18 290 22.5 178 140 105 4x19 190 20.5 80 3 200 160 138 8x18 310 22.0 190 152 127 4x19 203 23.0100 4 200 180 158 8x18 350 31.0 228 190 156 8x19 229 33.0150 6 285 240 212 8x22 480 59.0 279 241 205 8x22 267 59.0200 8 340 295 268 8xM20 600 82.0 342 342 298 8x22 340 80.0
Pentair reserves the right to change the contents without notice page 5
Sight Glass, PTFE lined, Type SG - S
Materials of construction
Pos. Description Material
1 Body Carbon steel R-St 37-22 Cover Carbon steel R-St 37-23 Glass Pressglass4 Gasket IT 150, Asbestos free5 Bolts* Steel 8.8, galv.* stainless steel bolts and nuts on request.
Technical data
Size (mm) : 15, 20, 25, 40, 50, 65, 80, 100, 150, 200 (inch) : 1/2, 3/4, 1, 11/2, 2, 21/2, 3, 4, 6, 8Pressure rating : PN16 (except DN 200, PN10)Temperature (°C) : max. 150, if Borosilicate glasses are used, max. temperature is 180°CFlanges : DIN PN16 or ANSI B16.05 class 150Face to face : EN 558-1 or ANSI B16.10 class 150Glass : Pressglass (option: Borosilicate DIN 7080)
Dimensions and weights
Size PN16 Weight ANSI 150 Weight
mm inch D K d4 nxd L kg D K d4 nxd L kg
Features
The sight glass type SG-S is made from a heavy duty carbon steel welded construction. The lining is isostatically moulded PTFE with a minimal wall thickness of 4 mm.The large sight glasses allow a visual identification of flow.It can be installed in any direction.
Pressure - temperature diagram
Vacuum0,1 mbar
