SERIES GRW/GRL WAFER AND LUG docs/Pentair Valves and Controls/1.… · PENTAIR DESIGN •The Series...

SERIES GRW/GRL WAFER AND LUG

RESILIENT SEATED BUTTERFLY VALVES

PENTAIR

DESIGN

• The Series GR is designed in accordance with all global specifications such as

ISO, API, MSS-SP, etc.

• Lug and wafer style body resilient seated butterfly valve

• Concentric disc with a fully elastomer lined body

• Size range is DN 50-900, NPS 2-36

• Face to face, in accordance with

API 609 Category A

• Designed with a two-piece shaft (DN 50-300, NPS 2-12) and a one-piece shaft

for the larger sizes DN 350-900, NPS 14-36)

KEYSTONE SERIES GRW/GRL

Keystone Series GRW/GRL Wafer and Lug Resilient Seated Butterfly Valves

PENTAIR

DESIGN CRITERIA

• Size Range

DN 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 750, 800, 900

NPS 2", 2.5", 3", 4", 5", 6", 8", 10", 12", 14", 16", 18", 20", 24", 28", 30" 32", 36“

• Operating Conditions

Pressure Rating

• 16 bar (230 psi) DN 50-300 (NPS 2-12)

• 10 bar (150 psi) DN 350-900 (NPS 14-36)

Undercut Option

• 3.5 bar (50 psi) DN 50-900 (NPS 2-36)

Dead end Rating (lug style body)

• 10 bar (150 psi) DN 50-300 (NPS 2-12)

• 6 bar (90psi) DN 350-900 (NPS 14-36)



PENTAIR

OPERATING CONDITIONS

• Velocity Rating

– The new lip and groove seat retention design results in a maximum permissible velocity of 6 m/sec (20ft/sec) in water.

• Vacuum

– 0.4bar, 5.8psia, 300 torr, 400mbar, 11.8inHg, 300mmHg

• Temperature

– -40⁰C to 160⁰C (-40⁰F to 320⁰F)

(For PED certified valves, the minimum temperature rating varies depending on regional standards/requirements. Please consult TDS for more information)

• EPDM -40°C to 120°C (-40°F to 250°F)

• NBR -15°C to 100°C (0°F to 212°F)

• FKM -20°C to 160°C (0°F to 320°F)

• White NBR -15°C to 100°C (0°F to 212°F)



PENTAIR

INTERNATIONAL STANDARDS COMPLIANCE

• Design Standards

– API 609 Cat A/MSS-SP67

– EN 593

• Flange Standards

– ASME B16.1 Class 125

– ASME B16.47 Series A Class 150

– ASME B16.5 Class 150

– AS 4087 PN16

– AS 2129 Table D & E

– EN 1092 PN 6/10/16

– JIS B2220 10K

– JIS B2220 5K (option for some sizes)

• ISO 9001

• PED Compliance

– Pressure Equipment Directive (97/23/EU) MODULE B1 + D, CE Marking



PENTAIR

REGIONAL CERTIFICATIONS

• ABS

• CRN

• ACS

• NSF/ANSI Standard 61

• KIWA

• WRAS



PENTAIR

Feature Advantage Benefit

1

Designed around standard specifications such as EN 593 and API 609

Assurance that all valves are designed to the applicable valve standards

Provides safety and security in knowing valves are designed to comply with standards

2

16 bar (230psi) DN 50-300 (NPS 2-12) 10 bar (150psi) DN 350-900 (NPS 14-36)

High pressure rating on the smaller size valves

Allows the Series GR to be used in multiple applications

3 Keystone high quality proprietary seat compounds

Seat compounds are developed and tuned specifically for our valves

Higher cycle life that has been verified by independent testing. This allows for lower total cost of ownership

4 Blow-out resistant shaft API-609 compliant design will contain the shaft in the body in the unlikely event of shaft breakage

Increased safety of personnel

5 Fully elastomer lined body with concentric disc

Allows for the use of inexpensive body materials as the body is not a wetted part

Lower overall valve costs

6 Easily field replaceable seats Allows for quick and easy field repair of valves

Provides for less down time and lower maintenance costs

7 Strong hex drive connection DN 50-300 (NPS 2-12)

No obstruction of flow path and provides a very strong disc to shaft connection

Allows for coating of the disc and increases flow capacity

8 Extended body neck Allows 50mm (2” ) of insulation on the connecting piping

Lower energy costs, allows for ease of packing and actuator maintenance.

9 Ductile iron body is the standard body material

Ductile iron is a stronger body material than cast iron

Increased safety and lower maintenance costs

10 Upper and lower steel/PTFE lined bearings

Provides for longer cycle life and lower torques

Provides for less down time and lower maintenance costs



PENTAIR

KV top-plate for ease of automation

Ductile Iron lug and wafer body designs allow for a heavy duty and strong body

Field replaceable lip and groove seat allows for ease

of maintenance and low cost of ownership

Multiple upper and lower shaft bearings reduces torque and increases cycle life

Heavy duty polyester bushing absorbs actuator side loading

High strength hexagonal disc to shaft connection

provides a positive disc to shaft connection

Two piece shaft provides for high strength and

increased Kv’s

FEATURES – DN 50-300 (NPS 2-12)



PENTAIR

KV top-plate for ease of automation

Ductile Iron lug and wafer body designs allow for a heavy duty and strong body

Field replaceable lip and groove seat allows for ease

of maintenance and low cost of ownership

Multiple upper and lower shaft bearings reduces torque and increases cycle life

Heavy duty polyester bushing absorbs actuator side loading

Heavy duty disc screw provides a shake-proof positive disc to

shaft connection

One piece shaft provides for high strength


KEYSTONE SERIES GRW/GRL FEATURES – DN 350-900 (NPS 14-24)

PENTAIR

BODY DESIGN AND FEATURES

• Body design: – Wafer and lug design

• Materials: Ductile Iron – ASTM A536

– ASTM A395 (option)

• Neck length: – Neck length accommodates 50mm (2”) for pipe insulation

• Body surface protection: – Standard Coating will be sprayed on blue polyurethane

– Optional coating to be FBE (fusion bond epoxy)

– Special coating requirements



Wafer ASME Lug

PENTAIR Keystone Series GRW/GRL Wafer and Lug Resilient Seated Butterfly Valves

Face to Face

• ASME Version:

API 609 Cat A

MSS-SP67

BODY DESIGN AND FEATURES

FTF


Valve Size FTF (mm) FTF (inch)

DN NPS API 609

MSS -SP67 API 609

MSS -SP67

50 2 43 1.69

65 2.5" 46 1.81

80 3 46 1.81

100 4 52 2.05

125 5 56 2.20

150 6 56 2.20

200 8 60 2.36

250 10 68 2.68

300 12 78 3.07

350 14 78 3.07

400 16 102 4.02

450 18 114 4.49

500 20 127 5.00

600 24 154 6.06

700 28 165 6.5

750 30” 165 6.5

800 32 190 7.48

900 36 203 7.48

PENTAIR

AVAILABLE BODY FLANGE DRILLINGS

• ASME 125/150

• AS 2129 Table E

• AS 4087 PN16

• PN 6/10/16

• BS Table E

• JIS 10K



PENTAIR


DIRECT ACTUATOR MOUNTING

• No need for brackets and couplings

• Reduces hysteresis for more precise control

• Creates a smaller total envelope dimension for the assembly


PENTAIR

DISC FEATURES DN 50-300 (NPS 2-12)

• Two piece shaft design results in a thin profile disc – provides minimum obstruction to flow

– creates a smooth flow characteristic

– provides higher Kv’s or Cv’s

• Polished disc edge – reduction in seating and unseating torque

– increased seat life and lower total cost of ownership

• Disc weight is optimized with added ribs for increased strength and decreased deflection

• Disc to shaft connection is achieved by a close tolerance machined hexagonal shaft connection – provides a stronger engagement than other designs, such as

double “D” or pinning

– eliminates a disc to shaft connection in the flow path, thus reducing any possible turbulence



PENTAIR

DISC FEATURES DN 350 – 900 (NPS 14-36)

• One-piece through shaft design

– reduces disc deflection

• Disc to shaft connection is achieved by the use of a heavy duty disc screw

– provides a shake-proof strong design

– allows for coating

• Polished disc edge

– allows for reduction in seating and unseating torque

– increase seat life and lower total cost of ownership



PENTAIR

DISC MATERIALS

• 316 stainless steel

• 304 stainless steel

• Ni-Aluminum bronze

• Aluminum bronze

• Ductile iron (epoxy coated)

• Ductile iron (fusion bond epoxy coated)

• 2205 duplex stainless steel




PENTAIR

SHAFT DESIGN FEATURES

• Two piece shaft DN 50-300 (NPS 2-12)

• One piece shaft DN 350-900 (NPS 14-36)

• Upper shaft indicates position without actuator

– Double “D” – DN 50-150 (NPS 2-6)

– Keyway – DN 200-900 (NPS 8-36)

• Weakest point of shaft is outside the valve

Double “D”

Round & Keyed



PENTAIR

UPPER SHAFT FEATURES

• Blow out resistant shaft utilizing body cir-clip, shaft cir-clip complies with API 609 and EN 593

• Shaft packing and bushing

Designed for vacuum service (0.4bar, 5.8psia, 300 torr, 400mbar, 11.8inHg, 300mmHg)

Acts as dirt excluder O-Ring packing arrangement

• Upper PTFE lined steel shaft bearings for optimized support and minimum friction

– Reduces valve seating and unseating torque

– Increases valve cycle life



DN 50-300 (NPS 2-12)

DN 350-900 (NPS 14-36)

PENTAIR

LOWER SHAFT FEATURES

• Lower PTFE lined steel shaft bearings

Optimized support and minimum friction

• Plug for large sizes:

Plug O-ring

Plug cir-clip

• Plug for smaller sizes is threaded into body



DN 350-900 (NPS14-36)

DN 50-300 (NPS 2-12)

PENTAIR

SHAFT MATERIALS

• 431 Stainless steel (standard)

• 316 stainless steel* (optional)


• 2507 super duplex stainless steel

DN 350-900 NPS 14-36

DN 50-300 NPS 2-12

* Available in sizes DN 50 - 300 (NPS 2-12) only



PENTAIR

SEAT DESIGN AND FEATURES

• The Series GR utilized a Lip and Groove seat retention which allows for easy field replacement and lower maintenance costs

• Keystone seats are made with high quality proprietary seat compounds which allows for Keystone valves to have the highest cycle life as verified by independent testing

• Seat materials and temperature ratings as follows:

EPDM -40°C to 120°C (-40°F to 250°F)

NBR -15°C to 100°C (0°F to 212°F)

FKM -20°C to 160°C (0°F to 320°F)

White NBR -15°C to 100°C (0°F to 212°F)



PENTAIR

SHAFT SEALING INTEGRITY

• Lip and groove seat design

provides for drop-tight bidirectional sealing

• Primary seal

interference between disc hub and seat

• Secondary seal

interference between shaft hole in seat and shaft OD

Totally isolated body and shaft journal for line media

• Molded-in seat face O-ring

serves as flange gasket



PENTAIR

Body

Ductile Iron

ASTM A536 Grade 65-45-12 // EN1563 JS-1030 // EN-GJS-400-15

Optional – Ductile Iron

ASTM A395 Grade 60-40-18

Disc

316 Stainless Steel ASTM A351 Gr CF8M // EN10213 GX5CrNiMo19-11-2 / 1.4408

304 Stainless Steel ASTM A351 CF8 // EN10213 GX5CrNi19-10 / 1.4308

Aluminum Bronze

ASTM B148 UNS C95200 // EN1982 CuAl10Fe2-C/CC331G

Nickel Aluminum Bronze

ASTM B148 UNS C95800 // EN1982 CuAl10Fe5Ni5/CC333G

Ductile Iron ASTM A536 Grade 65-45-12 // EN1563 JS-1030 EN-GJS-400-15

Duplex

ASTM A890 Gr 4A // EN 10283 GX2CrNimoN22-5-3 / 1.4470

Super Duplex

ASTM A890 Gr 5A // EN 10283 GX2CrNimoN26-7-4 / 1.4469

Shaft

431 Stainless Steel ASTM A276 Gr 431 S43100 // EN10088-3X17CrNi16-2 / 1.4057

316 Stainless Steel ASTM A276 Gr316 // EN10088-3X5CrNiMo17-12-2 / 1.4401

Super Duplex

ASTM A276 UNS S32750 // EN 10088-3 X2CrNiMoN25-7-4 / 1.4410


MATERIAL OFFERING


PENTAIR

Disc Screw (large sizes only)

Duplex


Super Duplex


Disc Screw O-ring (large sizes only)

EPDM

NBR

FKM

Seat

EPDM – FG

NBR - FG

FKM

White NBR

Bushing Polyester

Shaft/Body O-ring NBR

Bearing PTFE / Steel

Shaft / Body Circlip Stainless Steel

Plug Carbon Steel

Plug O-ring NBR

Plug Circlip Stainless Steel

Parallel Key Steel

Tag Aluminum


KEYSTONE SERIES GRW/GRL MATERIAL OFFERING – CONT.

PENTAIR

• Elastomer seat technology

– Unlike other manufactures of RSBFV’s, Keystone’s elastomer seats are derived from our proprietary compound formulations and as such optimize pressure holding, temperature range, and wear resulting in longer life and cycles

• Seat compound

− More than 40 years of seat compound experience

− In-house rubber knowledge

− In-house test facilities and laboratories

• Optimum seat design

– Well balanced interference fit

– Flat seat bossings at disc hub


WHAT MAKES KEYSTONE DIFFERENT?

PENTAIR

• Attributes of disc

– Keystone butterfly valves are designed with an optimized disc diameter, disc profile and polished disc edge which also extends life and cycles

− Extreme smooth disc edge surface finish

• Pre polishing machining

• Intermediate hand polishing

• Final polishing by hand

– Spherical disc profile (comparable with a segmented ball)

• Perfect alignment of disc in the valve body

– 2 PTFE/Steel high cycle life bearings – reduces shaft wear

– Shaft bushing – absorbs actuator side thrust and aligns shaft within the body

• Knowledgeable sales and customer service

– Staff of inside and outside sales with extensive knowledge and expertise


WHAT MAKES KEYSTONE DIFFERENT?

PENTAIR

SERIES GRW/GRL


SERIES GRW/GRL WAFER AND LUG docs/Pentair Valves and Controls/1.… · PENTAIR DESIGN •The Series...

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