Data Sheet

Bulletin 71.1:MR95
11
Table 7. MR95 Series Trim Materials
TYPE
TRIM
NUMBER
SEAT
ORIFICE /
VALVE PLUG
VALVE PLUG GUIDE
STEM /
STEM GUIDE
VALVE SPRING
MR95L,
MR95LD,
MR95H
and
MR95HD
1 416 Stainless steel 416 Stainless steel Brass
(3)
416 Stainless steel 302 Stainless steel
2 416 Stainless steel 416 Stainless steel 416 Stainless steel 416 Stainless steel 302 Stainless steel
3 316 Stainless steel 316 Stainless steel 316 Stainless steel 316 Stainless steel 302 Stainless steel
4 Alloy 6
(1)
Alloy 6
(1)
316 Stainless steel 316 Stainless steel 302 Stainless steel
5 Hastelloy
®
C Hastelloy
®
C Hastelloy
®
C Hastelloy
®
C Inconel
®
6 Monel
®
Monel
®
Monel
®
Monel
®
Inconel
®
7 Nitrile (NBR) Brass
(2)
Brass
(3)
416 Stainless steel 302 Stainless steel
8 Nitrile (NBR) Brass
(2)
416 Stainless steel 416 Stainless steel 302 Stainless steel
9 Nitrile (NBR) 316 Stainless steel 316 Stainless steel 316 Stainless steel 302 Stainless steel
10 Nitrile (NBR) 416 Stainless steel 416 Stainless steel 416 Stainless steel 302 Stainless steel
11 Nitrile (NBR) 416 Stainless steel Brass
(3)
416 Stainless steel 302 Stainless steel
12 Fluorocarbon (FKM) Brass
(2)
Brass
(3)
416 Stainless steel 302 Stainless steel
13 Fluorocarbon (FKM) 316 Stainless steel 316 Stainless steel 316 Stainless steel 302 Stainless steel
14 Fluorocarbon (FKM) 416 Stainless steel 416 Stainless steel 416 Stainless steel 302 Stainless steel
15 Fluorocarbon (FKM) Monel
®
Monel
®
Monel
®
Inconel
®
16 Peruoroelastomer (FFKM) 316 Stainless steel 316 Stainless steel 316 Stainless steel 302 Stainless steel
17 Polytetrauoroethylene (PTFE) Brass
(2)
Brass
(3)
416 Stainless steel 302 Stainless steel
18 Polytetrauoroethylene (PTFE) 316 Stainless steel 316 Stainless steel 316 Stainless steel 302 Stainless steel
19 Polytetrauoroethylene (PTFE) 416 Stainless steel 416 Stainless steel 416 Stainless steel 302 Stainless steel
20 Ethylenepropylene (EPDM) 416 Stainless steel 416 Stainless steel 416 Stainless steel 302 Stainless steel
MR95HT
22 416 Stainless steel 416 Stainless steel 416 Stainless steel 416 Stainless steel Inconel
®
23 316 Stainless steel 316 Stainless steel 316 Stainless steel 316 Stainless steel Inconel
®
24 Alloy 6
(1)
Alloy 6
(1)
316 Stainless steel 316 Stainless steel Inconel
®
MR95HP
10 Nitrile (NBR) 416 Stainless steel 416 Stainless steel 416 Stainless steel 302 Stainless steel
14 Fluorocarbon (FKM) 416 Stainless steel 416 Stainless steel 416 Stainless steel 302 Stainless steel
1. Alloy 6 is not available for 1/4 NPT body.
2. 1/4 NPT has brass orice and 316 Stainless steel valve plug.
3. 1-1/2 and 2 in. / DN 40 and 50 bodies have 416 Stainless steel valve plug guide.
MAIN VALVE MATERIAL
Body Spring Case Regulator Spring
Gray Cast Iron
LCC/WCC Steel
CF8M/CF3M Stainless steel
Hastelloy
®
C
Monel
®
Aluminum-Bronze
Gray Cast Iron
(1)
LCC/WCC Steel
CF8M Stainless steel
Hastelloy
®
C
Monel
®
Steel (standard)
Inconel
®
302 Stainless steel
17-4 PH Stainless steel
1. Gray cast iron spring case is not available for Types MR95LD and MR95HD.
TRIM MATERIAL
Elastomer Seat
Part Name Standard Optional
Diaphragm Neoprene (CR)
302 Stainless steel
(1)
, Fluorocarbon (FKM)
(2)
, Ethylenepropylene (EPDM)
(2)
, Monel
®(1)
, Hastelloy
®
C
(1)
or
PTFE protector available with Neoprene (CR) and Fluorocarbon (FKM)
(2)
diaphragm
Disk Nitrile (NBR) Fluorocarbon (FKM), Polytetrauoroethylene (PTFE), Ethylenepropylene (EPDM) or Peruoroelastomer (FFKM)
Disk Holder Brass or 416 Stainless steel 316 Stainless steel, Monel
®
or Hastelloy
®
C
Valve Plug Guide Brass or 416 Stainless steel 316 Stainless steel, Monel
®
or Hastelloy
®
C
Orice Brass or 416 Stainless steel 316 Stainless steel, Monel
®
or Hastelloy
®
C
Stem Assembly 416 Stainless steel 316 Stainless steel, Monel
®
or Hastelloy
®
C
Metal Seat
Diaphragm 302 Stainless steel
(1)
Monel
®(1)
, Hastelloy
®
C
(1)
, Fluorocarbon (FKM)
(2)
, Ethylenepropylene (EPDM)
(2)
or PTFE protector available with
Neoprene (CR) and Fluorocarbon (FKM)
(2)
diaphragm
Valve Plug 416 Stainless steel 316 Stainless steel, Monel
®
, Hastelloy
®
C or Alloy 6
Valve Plug Guide Brass or 416 Stainless steel 316 Stainless steel, Monel
®
or Hastelloy
®
C
Orice 416 Stainless steel 316 Stainless steel, Monel
®
, Hastelloy
®
C or Alloy 6
Stem Assembly 416 Stainless steel 316 Stainless steel, Monel
®
or Hastelloy
®
C
Gasket Composition Graphite
1. Two Diaphragms are used for metal diaphragm except Types MR95L and MR95LD 1/4 NPT Body, range 2 to 6 psig / 0.14 to 0.41 bar.
2. Two Diaphragms are used.
Table 8. MR95 Series Construction Materials
Inconel
®
is a mark owned by Special Metals Corporation.
Monel
®
is a mark owned by Special Metals Corporation.
Hastelloy
®
C is a mark owned by Haynes International, Inc.