1108 Safety Relief Valve



Parts:

Select Key No. Cat. No. No.Per Unit (1108) No. Per Unit (S1108) Description Quantity
6K804800 1 Valve Assembly (w/Nitrile O-Rings)
6K804801 1 Valve Assembly, SS (w/Nitrile O-Rings)
1 90002617 1 1 Locknut-Stainless (Type 303)
2 91000294 2 Bolt -Steel
2 90018772 2 Bolt -Stainless (Type 304)
3 2U133902 2 Bolt -Stainless (Type304)
3 90034890 2 Bolt-Seal -Stainless (Type 304)
5 91000001 1 1 Tag
6 90004452 4 Washer -Steel
6 90004303 4 Washer -Stainless
9 91000217 2 2 Seal
10 90002618 1 1 Nut
11 90002623 1 1 Nut
12 3K805500 1 1 Stem -Stainless
13 4U467501 1 1 Follower -Stainless
14 57306179 1 Spring -Steel, Plated
14 50092745 1 Spring -Stainless
15 3K805700 1 Guide-Spring -Steel
15 3K805701 1 Guide -Stainless
19 4K805200 1 Body -Steel
19 4K805201 1 Body -Stainless
20 3V120900 1 1 Retainer -Stainless
21 90038699 1 1 O-Ring - Nitrile
21 91001384 1 1 O-Ring - Viton-A
21 91001391 1 1 O-Ring - Buna-N
21 91001395 1 1 O-Ring - EPDM
22 90038700 1 1 O-Ring - Nitrile
22 91001385 1 1 O-Ring -Viton-A
22 91001392 1 1 O-Ring - Buna-N
22 91001396 1 1 O-Ring - EPDM
23 50092548 1 1 Cushion
24 2V127900 1 Cover -Steel
24 3V127801 1 Cover -Stainless
APPLICATION MATERIAL
4 90035095 2 2 Bolt
7 90002659 2 2 Nut
8 50094546 2 2 Seal
16 90002212 2 2 Nut
17 90038882 1 1 Gasket -Viton
18 90001227 2 2 Bolt
21 O-Ring- Please select from the table
22 O-Ring- Please select from the table
Type
  • Type | STDP*| AAR Rated SCFM
  • 1108 | 75 lb.| 1044 @ 85 PSIG
  • S1108| 75 lb.| 1044 @ 85 PSIG
  • *Start to Discharge Pressure
Notes:
  • Nitrile 70 is standard for items 21, 22, and 23.
  • Other O-ring and Gasket materials available.
  • Material for stainless parts is type 316 unless otherwise noted.
  • 4 Equally Spaced Holes 0.87" Dia. on a 6.25" Bolt Circle.
  • 4.00" ID x 4.75" OD Seat Tongue
  • Valves can be supplied either tongue and groove or flat face.
  • Seal Kit: Parts 21, 22, and 23.
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