Alfa Laval Tri-Clover® 736 Swap Valve
Do you have Tri-Clover® 361 valves in your facility? If you're ready for newer technology, but not able to make the change to a new valve body, the Tri-Clover 736 "swap" valve from Alfa Laval may be the solution. The 736 valve was designed specifically to bridge the gap when an older 361 valve fails, but a complete valve upgrade isn't feasible. Since the swap valve consists of a complete 761 style valve, installation is quick and easy, with no cutting or welding required.
The 736 valve provides the same reliable, sanitary, and flexible design you expect from any of Alfa Laval's 700 series valves. A variety of options allow you to customize the valve to your system's needs. Even if you're not ready for a complete overhaul of your system, you can still look forward to many more years of reliable performance to your valves with the 736 valve.
Tri-Clover 736 valves are authorized to carry the 3-A symbol.
Alfa Laval is a leading global supplier of products and solutions within the key technology areas of heat transfer, separation, and fluid handling.
Application
The 736 valve is used to convert existing welded-in Tri-Clover 361 series shut off valves into a version of the Tri-Clover 700 series valve. This conversion provides an upgrade to all features and benefits of the Tri-Clover 700 series, without cutting or welding.
Working Principle
The valve is remote-controlled by means of compressed air. It has few and simple movable parts, contributing to a very reliable valve.
Standard Design
Like all 700 series valves, the 736 valve is designed to deliver years of reliable performance. Utilizing a specially designed bonnet, it’s easy to replace existing 300 series shut-off valves:
1. Remove the body-bonnet clamp
2. Pull the 300 series components (from stem to the actuator) out of the existing 300 series valve body
2. Replace with the 736 swap valve and gasket
4. Reattach with the provided body-bonnet clamp
The 736 valve design utilizes all 761 valve spares and features including ThinkTop and GreenTop indication units, TR2, and LP elastomer stems, with high-pressure and “sealed-for-life” reversible actuators.
Actuator Function
- Pneumatic downward movement, spring return (NO)
- Pneumatic upward movement, spring return (NC)
- Pneumatic upward and downward movement (A/A)
- Actuator for intermediate position of the valve plug as option
Materials
| Product Wetted Steel Parts | 316L |
| Other Steel Parts | 304 |
| Plug Stem | Buna bonded or "TR"/"TR2" PTFE replaceable (standard) EPDM or SFY (optional) |
| Product Wetted Seals | Buna (standard) EPDM or SFY (optional) |
Technical Data
| Max Product Pressure | Depends on valve specification and size (contact CSI) |
| Max Temperature | 200 – 284°F (EPDM) |
| Air Pressure | 60 – 80 psi |
Dimensional Data
| Valve Size (Tube OD) (in) | A - Short (in) | A - Long (in) | C (in) |
|---|---|---|---|
| 2.0 | 17.32 | 21.25 | 3.50 |
| 2.5 | 17.56 | 21.53 | 3.50 |
| 3.0 | 18.06 | 22.03 | 3.75 |
Options
- Control and indication (Control Top or ThinkTop®)
- High pressure actuator for 2.5 and 3.0 inch sizes
- Three position actuator
- Long stroke actuator
Pressure Drop/Capacity Diagrams
Shut-off valve flow pattern: B to A (solid curve), A to B (broken curve)
Note! For the diagram the following applies:
Medium: water (68°F)
Measurements: In accordance with VDI 2173
Product Resources
See all resources by Alfa LavalSpare Parts
- 736-X Elastomer Swap - Short Stroke
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Service Kits
Type 2 2.5 3 Buna 9613990662 9613990665 9613990668 EPDM 9613990663 9613990666 9613990669 SFY 9613990664 9613990667 9613990670 Spare Parts
Part 2 2.5 3 Diagram Key Adapter Bonnet, 761 to 361 9634067604 9634067605 9634067606 1 Caplug 5/8 750568 750568 750568 2 Yoke 750224 750224 750224 3 Body Clamp 270266 270267 212211 4 O-Ring USF 755356 755356 755356 5 Stem O-Ring Buna 755370 755370 755370 6 Stem O-Ring EPDM 750132 750132 750132 6 Stem O-Ring SFY 750077 750077 755077 6 O-Ring USF 755388 755388 755388 7 O-Ring USF 755472 755472 755472 8 Body Gasket, Buna 755417 755419 755420 9 Body Gasket, EPDM 751799 750812 750322 9 Body Gasket, SFY 750209 750210 750610 9 LP Stem, USF 9634055825 9634055826 9634055827 10 LP Stem, ESF 773116 773199 773014 10 LP Stem, SFY 773063 773200 773058 10 Packing Gland 751659 751659 751659 11 Plastic Dome 751682 751682 751682 12 Actuator 750318 750318 750318 13 Stem Protector 750583 750583 750583 14 Stem Bushing 763361 763361 763361 15 Lockwasher 189962 189962 189962 16 Screw 189773 189773 189773 17 Screw 189723 189723 189723 18 Vented Plug 181256 181256 181256 19 - 736-X Elastomer Stem Swap - Long Stroke
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Service Kits
Type 2 2.5 3 Buna 9613990662 9613990665 9613990668 EPDM 9613990663 9613990666 9613990669 SFY 9613990664 9613990667 9613990670 Spare Parts
Part 2 2.5 3 Diagram Key Adapter Bonnet, 761 to 361 9634067604 9634067605 9634067606 1 Caplug 5/8 750568 750568 750568 2 Yoke 751684 751684 751684 3 Body Clamp 270266 270267 212211 4 O-Ring, USF 755356 755356 755356 5 Stem O-Ring, Buna 755370 755370 755370 6 Stem O-Ring, EPDM 750132 750132 750132 6 Stem O-Ring, SFY 750077 750077 750077 6 O-Ring, USF 755388 755388 755388 7 O-Ring, USF 755472 755472 755472 8 Body Gasket, Buna 755417 755419 755420 9 Body Gasket, EPDM 751799 750812 750322 9 Body Gasket, SFY 750209 750210 750610 9 LP Stem, USF 9634055825 9634055826 9634055827 10 LP Stem, ESF 773116 773199 773014 10 LP Stem, SFY 773063 773200 773058 10 Packing Gland 751659 751659 751659 11 Plastic Dome 751682 751682 751682 12 Actuator 751681 751681 751681 13 Stem Protector 750577 750577 750577 14 Stem Bushing 763361 763361 763361 15 Lockwasher 189962 189962 189962 16 Screw 189773 189773 189773 17 Screw 189723 189723 189723 18 Vented Plug 181256 181256 181256 19 - 736TR-X Elastomer Swap - Short Stroke
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Service Kits
Type 2 2.5 3 Buna 9613990671 9613990674 9613990677 EPDM 9613990672 9613990675 9613990678 SFY 9613990673 9613990676 9613990679 Spare Parts
Part 2 2.5 3 Diagram Key Adapter Bonnet, 761 to 361 9634067604 9634067605 9634067606 1 Caplug 5/8 750568 750568 750568 2 Yoke 750224 750224 750224 3 Body Clamp 270266 270267 212211 4 O-Ring, USF 755356 755356 755356 5 Stem O-Ring, Buna 755370 755370 755370 6 Stem O-Ring, EPDM 750132 750132 750132 6 Stem O-Ring, SFY 750077 750077 750077 6 O-Ring, USF 755388 755388 755388 7 O-Ring, USF 755472 755472 755472 8 Body Gasket, Buna 755417 755419 755420 9 Body Gasket, EPDM 751799 750812 750322 9 Body Gasket, SFY 750209 750210 750610 9 TR Stem Complete 770223 770230 770234 10 TR Seat Only 750943 750947 751268 10a Packing Gland 751659 751659 751659 11 Plastic Dome 751682 751682 751682 12 Actuator 750318 750318 750318 13 Stem Protector 750583 750583 750583 14 Stem Bushing 763361 763361 763361 15 Lockwasher 189962 189962 189962 16 Screw 189773 189773 189773 17 Screw 189723 189723 189723 18 Vented Plug 181256 181256 181256 19 - 736TR-X Elastomer Stem Swap - Long Stroke
-
Service Kits
Type 2 2.5 3 Buna 9613990671 9613990674 9613990677 EPDM 9613990672 9613990675 9613990678 SFY 9613990673 9613990676 9613990679 Spare Parts
Part 2 2.5 3 Diagram Key Adapter Bonnet, 761 to 361 9634067604 9634067605 9634067606 1 Caplug 5/8 750568 750568 750568 2 Yoke 751684 751684 751684 3 Body Clamp 270266 270267 212211 4 O-Ring, USF 755356 755356 755356 5 Stem O-Ring, Buna 755370 755370 755370 6 Stem O-Ring, EPDM 750132 750132 750132 6 Stem O-Ring, SFY 750077 750077 750077 6 O-Ring, USF 755388 755388 755388 7 O-Ring, USF 755472 755472 755472 8 Body Gasket, Buna 755417 755419 755420 9 Body Gasket, EPDM 751799 750812 750322 9 Body Gasket, SFY 750209 750210 750610 9 TR Stem Complete 770223 770230 770234 10 TR Seat Only 750943 750947 751268 10a Packing Gland 751659 750947 751268 11 Plastic Dome 751682 751682 751682 12 Actuator 751681 751681 751681 13 Stem Protector 750577 750577 750577 14 Stem Bushing 763361 763361 763361 15 Lockwasher 189962 189962 189962 16 Screw 189773 189773 189773 17 Screw 189723 189723 189723 18 Vented Plug 181256 181256 181256 19 - 736TR2-X Elastomer Stem Swap - Short Stroke
-
Service Kits
Type 2 2.5 3 Buna 9613990680 9613990683 9613990686 EPDM 9613990681 9613990684 9613990687 SFY 9613990682 9613990685 9613990688 Spare Parts
Part 2 2.5 3 Diagram Key Adapter Bonnet, 761 to 361 9634067604 9634067605 9634067606 1 Caplug 5/8 750568 750568 750568 2 Yoke 750224 750224 750224 3 Body Clamp 270266 270267 212211 4 O-Ring, USF 755356 755356 755356 5 Stem O-Ring, Buna 755370 755370 755370 6 Stem O-Ring, EPDM 750132 750132 750132 6 Stem O-Ring, SFY 750077 750077 750077 6 O-Ring, USF 755388 755388 755388 7 O-Ring, USF 755472 755472 755472 8 Body Gasket, Buna 755417 755419 755420 9 Body Gasket, EPDM 751799 750812 750322 9 Body Gasket, SFY 750209 750210 750610 9 TR2 Stem Complete 9634054774 773080 773086 10 TR2 Seat Only 963405833 752100 752102 10a Packing Gland 751659 751659 751659 11 Plastic Dome 751682 751682 751682 12 Actuator 750318 750318 750318 13 Stem Protector 750583 750583 750583 14 Stem Bushing 763361 763361 763361 15 Lockwasher 189962 189962 189962 16 Screw 189773 189773 189773 17 Screw 189723 189723 189723 18 Vented Plug 181256 181256 181256 19 - 736TR2-X Elastomer Stem Swap - Long Stroke
-
Service Kits
Type 2 2.5 3 Buna 9613990680 9613990683 9613990686 EPDM 9613990681 9613990684 9613990687 SFY 9613990682 9613990685 9613990688 Spare Parts
Part 2 2.5 3 Diagram Key Adapter Bonnet, 761 to 361 9634067604 9634067605 9634067606 1 Caplug 5/8 750568 750568 750568 2 Yoke 751684 751684 751684 3 Body Clamp 270266 270267 212211 4 O-Ring, USF 755356 755356 755356 5 Stem O-Ring, Buna 755370 755370 755370 6 Stem O-Ring, EPDM 750132 750132 750132 6 Stem O-Ring, SFY 750077 750077 750077 6 O-Ring, USF 755388 755388 755388 7 O-Ring, USF 755472 755472 755472 8 Body Gasket, Buna 755417 755419 755420 9 Body Gasket, EPDM 751799 750812 750322 9 Body Gasket, SFY 750209 750210 750610 9 TR2 Stem Complete 963454774 773080 773086 10 TR2 Seat Only 9634050833 752100 752102 10a Packing Gland 751659 751659 751659 11 Plastic Dome 751682 751682 751682 12 Actuator 751681 751681 751681 13 Stem Protector 750577 750577 750577 14 Stem Bushing 763361 763361 763361 15 Lockwasher 189962 189962 189962 16 Screw 189773 189773 189773 17 Screw 189723 189723 189723 18 Vented Plug 181256 181256 181256 19
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