Data Sheet

Bulletin 71.4:SR8
4
Table 2. Temperature Capabilities
SEAT TYPE DIAPHRAGM MATERIAL O-RING MATERIAL TEMPERATURE RANGE, °F (°C)
Metal (316L)
Ethylenepropylene (EPDM) Ethylenepropylene (EPDM) - 20 to 275 ( -28 to 135)
316L Stainless Steel PTFE/Fluorocarbon (FKM)
(1)
20 to 400 ( -6 to 204)
PTFE/Fluorocarbon (FKM) PTFE/Fluorocarbon (FKM) 20 to 400 ( -6 to 204)
Soft
(PTFE/316L)
Ethylenepropylene (EPDM) Ethylenepropylene (EPDM) - 20 to 150 ( -28 to 65)
316L Stainless Steel PTFE/Fluorocarbon (FKM)
(1)
20 to 150 ( -6 to 65)
PTFE/Fluorocarbon (FKM) PTFE/Fluorocarbon (FKM) 20 to 150 ( -6 to 65)
Soft
(Polyetheretherketone (PEEK)/316L)
Ethylenepropylene (EPDM) Ethylenepropylene (EPDM) -20 to 275 (-28 to 135)
316L Stainless Steel PTFE/Fluorocarbon (FKM)
(1)
20 to 400 ( -6 to 204)
PTFE/Fluorocarbon (FKM) PTFE/Fluorocarbon (FKM) 20 to 400 ( -6 to 204)
1. O-ring material is PTFE for the NPS 1/2 and 3/4 (DN 15 and 20) sizes. Temperature range is the same.
Table 3. Construction Materials
PART MATERIAL
Body 316L Stainless steel, 20 µin (0,5 µm) Ra with Electropolish
Spring Case 316 Stainless steel with Electropolish
Plug and Diaphragm Plate 316L Stainless steel, 20 µin (0,5 µm) Ra with Electropolish
Soft Seat Virgin PTFE or Polyetheretherketone (PEEK)
Diaphragm Ethylenepropylene (EPDM)(FDA), Virgin PTFE coated Fluorocarbon (FKM), or 316L Stainless steel
Control Springs Inconel
®
or 302 Stainless steel
Guide Ring and Upper and lower spring seats 300 Series Stainless steel
Adjusting Screw and locknut 300 Series Stainless steel
Closing Cap 300 Series Stainless steel with Electropolish or Plastic
T-handle and Locking Lever 300 Series Stainless steel
O-rings Ethylenepropylene (EPDM) (FDA), Virgin PTFE encapsulated Fluorocarbon (FKM), or Virgin PTFE
Piston Ring Expanded PTFE with 302 Stainless steel
Gaskets (Stainelss steel diaphragm only) Virgin PTFE
Bolted Clamp 304 Stainless steel with Brass or Stainless steel Nuts
Bead Chain and Ring Grip 300 Series Stainless steel
Table 1. Set Pressure Ranges, Control Spring Data, and Maximum Differential Pressures
BODY SIZE,
NPS (DN)
SET PRESSURE RANGES,
PSIG (bar)
MAXIMUM DIFFERENTIAL
PRESSURE, PSID (bar d)
COLOR
CODE
PART NUMBER
WIRE DIAMETER,
INCH (mm)
FREE LENGTH,
INCH (mm)
1/2 and 3/4
(15 and 20)
2 to 8 (0,14 to 0,55)
(1)
15 (1,0) Blue GE06780X012 0.138 (3,51) 2.75 (69,9)
5 to 25 (0,34 to 1,7) 40 (2,7) Silver GE06781X012 0.177 (4,50) 2.75 (69,9)
10 to 50 (0,69 to 3,4) 100 (6,9) Green GE06782X012 0.192 (4,88) 2.75 (69,9)
35 to 100 (2,4 to 6,9) 140 (9,6) Red GE06783X012 0.225 (5,72) 2.75 (69,9)
75 to 125 (5,2 to 8,6) 160 (11,0)
Red/
Yellow
GE06783X012/
GE06784X012
0.225 (5,72)/
0.148 (3,76)
2.75 (69,9)/
2.75 (69,9)
1 and 1-1/2 (25 and 40)
full port
1-1/2 x 1 (40 x 25)
2 to 8 (0,2 to 0,5)
(1)
15 (1,0) Blue GE02763X012 0.225 (5,72) 3.25 (82,6)
5 to 25 (0,4 to 1,7) 40 (2,7) Silver GE02764X012 0.282 (7,16) 3.25 (82,6)
15 to 70 (1,0 to 4,8) 100 (6,9) Green GE02765X012 0.331 (8,41) 3.25 (82,6)
25 to 90 (1,7 to 6,2) 125 (8,6) Red GE02766X012 0.362 (9,19) 3.25 (82,6)
35 to 100 (2,4 to 6,9) 140 (9,6)
Green/
Yellow
GE02765X012/
GE06090X012
0.331 (8,41)
0.250 (6,35)
3.25 (82,6)
3.25 (82,6)
75 to 125 (5,2 to 8,6) 160 (11,0)
Red/
Yellow
GE02766X012/
GE06090X012
0.362 (9,19)/
0.250 (6,35)
3.25 (82,6)/
3.25 (82,6)
2 and 3
(50 and 80)
10 to 25 (0,7 to 1,7) 50 (3,4) Silver GE14003X012 0.562 (14,3) 6.00 (152)
15 to 50 (1,0 to 3,4) 75 (5,2) Green GE14004X012 0.625 (15,9) 6.00 (152)
25 to 60 (1,7 to 4,1) 75 (5,2) Red GE14005X012 0.625 (15,9) 6.00 (152)
1. The 2 to 8 psig (0,14 to 0,55 bar) spring is not available with the metal diaphragm.
Inconel
®
is a mark owned by Special Metals Corporation.