Data Sheet

Bulletin 71.4:SR8
19
Product Ordering Guide
Body Size (Select One)
¨ NPS 1/2 (DN 15)**
¨ NPS 3/4 (DN 20)**
¨ NPS 1 (DN 25)**
¨ NPS 1-1/2 x 1 (DN 40 x 25)**
¨ NPS 1-1/2 (DN 40) full port**
¨ NPS 2 (DN 50)**
¨ NPS 3 (DN 80)**
Internal Finish (Select One)
¨ 20 µin (0,5 µm) Ra**
¨ Other, please specify ______________________
Seat (Select One)
¨ Metal**
¨ Soft, Virgin PTFE**
¨ Soft Polyetheretherketone (PEEK)**
Diaphragm and O-ring Material (Select One)
¨ Ethylenepropylene (EPDM) (FDA)**
¨ PTFE coated Fluorocarbon (FKM)
(NPS 1/2 through 1-1/2 (DN 15 through 40) only)**
¨ 316L Stainless Steel with
PTFE/Fluorocarbon (FKM) O-ring**
Spring Range (Select One)
NPS 1/2 and 3/4 (DN 15 and 20)
¨ 2 to 8 psig (0,14 to 0,55 bar) (Not available with
metal diaphragm)**
¨ 5 to 25 psig (0,34 to 1,7 bar)**
¨ 10 to 50 psig (0,69 to 3,4 bar)**
¨ 35 to 100 psig (2,4 to 6,9 bar)**
¨ 75 to 125 psig (5,2 to 8,6 bar)**
NPS 1, 1-1/2, and 1-1/2 x 1 (DN 25, 40, and 40 x 25)
¨ 2 to 8 psig (0,14 to 0,55 bar) (Not available with
metal diaphragm)**
¨ 5 to 25 psig (0,34 to 1,7 bar)**
¨ 15 to 70 psig (1,0 to 4,8 bar)**
¨ 25 to 90 psig (1,7 to 6,2 bar)**
¨ 35 to 100 psig (2,4 to 6,9 bar)**
¨ 75 to 125 psig (5,2 to 8,6 bar)**
NPS 2 and 3 (DN 50 and 80)
¨ 10 to 25 psig (0,69 to 1,7 bar)**
¨ 15 to 50 psig (1,0 to 3,4 bar)**
¨ 25 to 60 psig (1,7 to 4,1 bar)**
T-handle Adjusting Screw (Optional)
¨ Yes**
¨ No
Pressure Loaded Spring Case (Optional)
¨ Yes*
¨ No
Vacuum Protection (Optional – elastomer
diaphragm only)
¨ Yes*
¨ No
Certicates (Optional)
¨ 3A
®
(Ethylenepropylene (EPDM) and
316L Diaphragms only)**
¨ FDA Elastomers/Plastics**
¨ Materials**
¨ Functional Test**
¨ USP Class VI Elastomers/Plastics**
Parts Kit (Optional)
¨ Yes, please send a parts kit to match this order.**
¨ No
Fisher Regulators Quick Order Guide
* * *
Standard – Readily Available for Shipment
* *
Non-Standard – Allow Additional Time for Shipment
*
Special Order – Constructed from Non-Stocked Parts.
Consult your local Sales Ofce for Availability.
Availability of the product being ordered is determined by the component with the
longest shipping time for the requested construction.
Specication Worksheet
Application:
Specic Use
Line Size
Fluid Type and Specic Gravity
Fluid Temperature
Upstream Regulator Specications:
Brand of Upstream Regulator?
Orice Size of the Upstream Regulator?
Wide-Open Coefcient of the Upstream Regulator?
Maximum Inlet Pressure (P
1max
)
Downstream Pressure Setting(s)(P
2
)
Maximum Flow (Q
max
)
Relief Valve Specications:
Relief Valve Setpoint
Accuracy Requirements?
Need for Extremely Fast Response?
Other Requirements: