Cast Iron Liquid Relief Valves - Kunkle Valve, Safety and ...

1 Kunkle Safety and Relief Products Copyright 2005 Tyco Flow Control. All rights Flow Control Solutions Models 91, 218 and 228 Features Bolted bonnetpermits easyinspection and servicing withoutremoval from system. Quality cast iron body and bonnet,insert and disc are available in eitherbronze or SS and lapped for optimumperformance. Springs are steel with platingforcorrosion protection. High lift, wing-guided discoffershigh relieving capacity. Pivot betweendisc and spring corrects misalignmentand compensates for spring DescriptionsModel 91:Bronze trim, with pressure-tight cap. Suitable for maximum backpressure of 60 psig. Variation 03 forfield 218:Bronze trim, UL and FMapproved for fire pump design offers minimum setpressure of 60 psig.

2 Easily adjustablewith handwheel to 200 psig (175 psigwith optional 125# inlet flange).Model 228:Bronze trim, with pressure-tight cap. UL and FM approved for firepump installations. Suitable formaximum back pressure of 60 with Fire Pump Service, UL and FMapproved. (Models 218, 228) Overpressure Relief and protection ofpumps, tanks, lines and hydraulic systems. Pressure SS trim. (insert and disc) (Variation 02) Female x Female NPT connections.(11/2-inch through 4-inch sizes) Inlet and outlet flanges per ANSI ,1-inch - 125#. Limited to 175 psigmaximum set and Temperature Limits1 Model 91:5 to 400 psig; -20 to 406 FModels 218, 228:60 to 200 psig; -20 to 406 FFurnished standard with ANSI - 250# inlet flange and ANSI - 125# outlet For other pressure and temperature limits,consult ANSI B16 cast iron flange iron Liquid Relief ValvesModel 228 Flow ControlKunkle is either a trademark or registered trademark of Tyco International Services AG or its affiliates inthe United States and/or other countries.

3 All other brand names, product names, or trademarks belong totheir respective Safety and Relief Products Copyright 2005 Tyco Flow Control. All rights 91, 218 and 2281. Disc (item 4) and insert (item 3) materialBronze, B-584 Alloy 84400 or B62, alsoavailable in SS, A743 Gr. CF-8, as a Material CS with corrosion preventativecoating, commercial Gr. or Brass, 6 bolts required for 3- and 4-inch sizes, and 8 bolts required for 6-inch Material Brass, B16 or Bronze, B584 Handwheel option available, delete cap (item 14) and gasket (item 10).6. Inlet and outlet flanges per ANSI 250#,inlet flange standard and 125# inlet flangeoptional. Outlet flange 125#.

4 Parts and MaterialsNotesModel 91 Model 913, 6- Non-code, Liquid Relief NameMaterials1 BodyIron, A126 Class A or B2O-ringBUNA-N 3 Insert14 Disc15 Spring Step26 SpringSteel, Aluminum Coated7 Bonnet GasketFiber and Nitrile, Klinger C-4400 or C-44018 Hex Head Cap Screw3 Steel, SAE Gr. 59 BonnetIron, A126 Class A or B10 Cap Gasket5 Fiber and Nitrile, Klinger C-4400 or C-440111 Compression Screw BushingIron, A536 80-55-0612 Jam Nut413 Compression Screw414 Cap5 iron , A126 Class A or B15 Socket Set ScrewSteel, Commercial 16 Stem2 Items not shownHandwheel5 iron , A126 Class A or BHandwheel Jam Nut5 Steel Plated, Commercial 15161413121110987654321 Kunkle Safety and Relief Products Copyright 2005 Tyco Flow Control.

5 All rights 91, 218 and 228 Parts and MaterialsModel 218 Model 2281. Inlet and outlet flanges per ANSI 250#,inlet flange standard and 125# inlet flangeoptional. Outlet flange 125#.2. Disc (item 4) and insert (item 3) materialBronze, B-584 Alloy 84400 or B62, alsoavailable in SS, A743 Gr. CF-8, as a Material CS with corrosion preventative coating, commercial Gr., Brass, B16 or SS,A582 TY 6 bolts required for 3- and 4-inch sizes, and 8 bolts required for 6-inch Material Brass, B16 or Bronze, B584 casting(Model 218 only), B584 Alloy 84400 (Model228 only).6. Not shown on Cap (item 18), Gasket (item 19) and Locknut(item 11) factory installed.

6 Handwheel (item13) shipped unassembled (Models 218 and228).Models 218 and 228 - Non-codeNo. Part NameMaterials1 Body1 iron , A126 Class A or B2O-ringBUNA-N 3 Insert24 Disc25 Spring Step36 SpringSteel, Aluminum Coated7 Bonnet GasketFiber and Nitrile, Klinger C-4400 or C-44018 Hex Head Cap Screw4 Steel, SAE Gr. 5 9 BonnetIron, A126 Class A or B10 Compression Screw BushingBrass, B1611 Jam NutBrass, B1612 Compression Screw513 HandwheelIron, A126 Class A or B14 Handwheel LocknutSteel Plated, Commercial PinSteel, Commercial Set ScrewSteel, Commercial Screw Locknut Wrench6 Steel, A366 Installation Instruction6 Paper, Commercial 228 only18 Cap7 iron , A126 Class A or B19 Cap Gasket7 Gasket, Klinger Silicone C-4400 Notes14131211109587654321181413121110199 587654321151617151617 Kunkle Safety and Relief Products Copyright 2005 Tyco Flow Control.

7 All rights 91, 218 and 228 SpecificationsNotes1. Temperature limits -20 F to 406 Replace asterisk with desired modelnumber. Data applicable to Models 218, 91 Models 218, 228 Model 911 ModelValveConnections Valve Dimensions StandardinSet PressureWeight(in)InletOutletABC(psig)(l b)091A-G11/2x 11/2 Female NPTF emale NPT43/441/4117/85/40027091H-G11/2x 11/2125# Flange125# Flange43/441/4111/45/17536091K-G11/2x 11/2250# Flange125# Flange543/4111/45/40036091A-H2 x 2 Female NPTF emale NPT41/841/8123/45/40035091H-H2 x 2125# Flange125# Flange43/445/8123/45/17547091K-H2 x 2250# Flange125# Flange545/8123/45/40047091A-J21/2x 21/2 Female NPTF emale NPT41/241/2141/45/40048091H-J21/2x 21/2125# Flange125# Flange51/443/4141/45/17565091K-J21/2x 21/2250# Flange125# Flange51/443/4141/45/40065091A-K3 x 3 Female NPTF emale NPT57/857/8215/40081091H-K3 x 3125# Flange125# Flange57/857/8213/45/17598091K-K3 x 3250# Flange125#

8 Flange61/457/8213/45/40098091A-M4 x 4 Female NPTF emale NPT65/861/2265/400132091H-M4 x 4125# Flange125# Flange65/861/2265/175170091K-M4 x 4250# Flange125# Flange65/861/2265/400170091H-P6 x 6125# Flange125# Flange93/881/2315/175340091K-P6 x 6250# Flange125# Flange93/8 81/2315/300340 Models 218 and 2281 ModelValveConnections Valve Dimensions StandardinSet PressureWeight(in)InletOutletABC (218)C (228)(psig)(lb)2*8A-K23 x 3 Female NPTF emale NPT61/857/8205/8215/860/200852*8H-K23 x 3125# Flange125# Flange61/857/8205/8215/860/1751102*8K-K2 3 x 3250# Flange125# Flange61/857/8205/8215/860/2001102*8A-M2 4 x 4 Female NPTF emale NPT 65/861/2252660/2001432*8H-M24 x 4125# Flange125# Flange 65/861/2252660/1751852*8K-M24 x 4250# Flange125# Flange 65/861/2252660/2001852*8H-P26 x 6125# Flange125# Flange 93/881/2303160/175 3502*8K-P26 x 6250# Flange125# Flange 93/881/2303160/200350 CABCABK unkle Safety and Relief Products Copyright 2005 Tyco Flow Control.

9 All rights 91, 218 and 228 CapacitiesNon-code Liquid - 25% Accumulation (GPM) Set Pressure Inlet Size (psig)11/2 2 21/2 3 4 6 Liquid Overpressure FactorsTo determine capacities at other than 25%overpressure/accumulation, multiply capacityshown by:10% Acc. = Acc. = Acc. = 32025044569510021789 33025445270610171817 34025845971710331844 35026146672710481871 36026547273810621898 37026947974810771924 38027248575810921950 39027649276811061975 40028049877711202000 Note1. Rated at 100 psig set pressure and 25%accumulation 125 218, 228 CapacitiesUL/FM Certified Capacities1 Size, inGPM3 x 3 5004 x 410006 x 62000 Kunkle Safety and Relief Products Copyright 2005 Tyco Flow Control.

10 All rights Flow Control (TFC) provides the information herein in good faith but makes no representation as to its comprehensiveness or accuracy. This data sheet is intended only as a guide to TFC products and using this data sheet must exercise their independent judgment in evaluating product selection and determining product appropriateness for their particular purpose and system requirements. TFC MAKESNO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE WITHRESPECT TO THE INFORMATION SET FORTH HEREIN OR THE PRODUCT(S) TO WHICH THE INFORMATION REFERS.