Fisher MR95H - Introduction; Product Description

3
MR95 Series
Figure 1.TypeMR95L,1/4NPTandDN15to25/
1/2to1-inchBodySizesAssembly

(1)
:




GF04915
*Recommended Spare Part
1. Lubricants and sealants must be selected such that they meet the temperature requirements.
2. Apply L2 (anti-seize compound) on key 16 for Stainless steel bolts.
3. Apply L4 (graphite sealant) instead of L1 (general purpose PTFE or lithium grease) on key 63 for graphite ring.
4. Only one metal diaphragm is needed for Types MR95L and MR95LD with 1/4 NPT body size and 0.14 to 0.41 bar / 2 to 6 psi spring range.


1 Body
2 Spring Case
3* Orice
4* Valve Plug, Metal seat
4* Disk Holder Assembly, Composition seat
4a Disk Holder
4b Disk
4c O-ring (not shown)
5 Valve Plug Guide
6 Stem/Stem Assembly
6a Stem
6b Pusher Plate
6b O-ring
6c O-ring
7 Stem Guide Bushing
8 Lower Spring Seat
9 Upper Spring Seat
10 Pusher Post, (not shown)
11 Control Spring
12* Diaphragm (2 required for metal, FKM and EPDM diaphragms)
(4)
13 Nameplate
14* Diaphragm Protector (not shown)
15 Adjusting Screw
16 Cap Screw
Types MR95L and MR95LD
DN 15 / 1/4 NPT and 1/2-inch bodies - 10 required
DN 20 and 25 / 3/4 and 1-inch bodies - 12 required
Types MR95H and MR95HD
1/4 NPT Body - 6 required
DN 15 to 50 / 1/2 to 2-inch bodies - 8 required
Types MR95HP and MR95HT
1/4 NPT Body - 6 required
DN 15 to 50 / 1/2 to 2-inch bodies - 8 required
17 Jam Nut
18 Nameplate Drive Screw (4 required)
19* Diaphragm Gasket (2 required for pressure loaded spring case)
20 Pitot Tube (for constructions without control line)
21 Diaphragm Head Assembly (not shown)
21a Diaphragm Head
21b Lower Spring Seat
21c Screw
21 Diaphragm Head (2 required) (not shown)


(1)
:



GF04918
Figure 2.TypeMR95HD,1/4NPTandDN15to50/
1/2to2-inchBodySizesAssembly
CONTROL LINE OPTION
METAL DIAPHRAGM OPTION
6B
52
6C
6A
12
18
18
13
64
19
L1
SEALED ADJUSTING
SCREW OPTION
TEE-HANDLE OPTION
COMPOSITE SEAT OPTION
50
22
4B
4A
L2
17
12
1
20
6
9 L2
15
2
11
16
7
4
26
63
L2
L2
(2)
L1
L4
21C
21A
21B
T
3
L2
5
L2
OR
(3)
L2
L2
L1
19
41
33
L3 36
L1
37
11
2
16
7
4
26
63
L2
L1
L4
3
L2
5
43
32
38
44
35
34
39
40
42
9
8
12
1
20
6
12
52
6C
6A
6B
4B
4A
OR
(3)
L2
(2)
METAL DIAPHRAGM OPTION
CONTROL LINE OPTIONCOMPOSITION SEAT OPTION