F250D/F251D HYGIENIC BUTTERFLY VALVES PENTAIR HYGIENIC PROCESS VALVES (FORMERLY KEYSTONE) DOUBLE BLOCK AND BLEED STYLE BUTTERFLY VALVES

Size: px

Start display at page:

Download "F250D/F251D HYGIENIC BUTTERFLY VALVES PENTAIR HYGIENIC PROCESS VALVES (FORMERLY KEYSTONE) DOUBLE BLOCK AND BLEED STYLE BUTTERFLY VALVES"

Elinor Baldwin
5 years ago
Views:

1 PENTAIR HYGIENIC PROCESS VAVES (FORMERY KEYSTONE) F250D/F251D HYGIENIC BUTTERFY VAVES DOUBE BOCK AND BEED STYE BUTTERFY VAVES FOOD & BEVERAGE PROCESS SOUTIONS PROCESS VAVE TECHNOOGY

PENTAIR HYGIENIC PROCESS VAVES (Formerly Keystone) HYGIENIC BUTTERFY VAVES DOUBE BOCK AND BEED (DBB) STYE The F250D and 251D DBB valves are used for in-line safe separation of incompatible fluids.

2 PENTAIR HYGIENIC PROCESS VAVES (Formerly Keystone) HYGIENIC BUTTERFY VAVES DOUBE BOCK AND BEED (DBB) STYE The F250D and 251D DBB valves are used for in-line safe separation of incompatible fluids. GENERA APPICATIONS TECHNICA DATA FEATURES CIP/process separation Non-compatible fluid separation Seat integrity monitoring Typical industries Dairies Breweries Wineries Food processing Pharmaceutical Chemical Sizes: DN 25 to DN 150 (Inch OD 1.0 to 6.0 ) Max product 1000kPa (10bar) pressure at 20 C: Rec. working 600 kpa (6 bar) pressure at 20 C: Min. product Full vacuum pressure at 20 C: Temperature -10 C to 95 C range: End connections: BW, clamp, RJT, wafer flange, others on request PENTAIR proven valve and actuator technology Failsafe pneumatic interlocks Fully machined 316 or 304 stainless steel body inkage driven, with only one actuator required inkage safety guard fitted as standard Overlapping discs to minimize leakage cavity volume on larger sizes Travel limited actuator to stop disc contact on larger sizes Full range of seats materials available Optional end connections Full range of optional accessories F250D for inch OD tubing F251D for metric tubing 2

3 PENTAIR HYGIENIC BUTTERFY VAVES F250D/251D DOUBE BOCK AND BEED STYE (DBB) OPERATING PRINCIPE The PENTAIR F250D double block and bleed butterfly valve consists of two sets of standard F250 butterfly valve components arranged in series, within a single integral valve body, to provide an inline separation cavity when both valves are in the closed position. This inline separation of products is used to isolate non-compatible fluids (i.e. CIP/product.) The separation cavity has two pneumatically interlocked poppet valves, tangentially opposed to provide for the introduction and draining of CIP or flushing liquids. Their position provides for a turbulent circular washing action plus facilitates a drain to atmosphere should either of the separate valve seats fail. The valve s twin discs are connected by a linkage arrangement to the pneumatic actuator that simultaneously operates the pneumatic poppet valves. NOTE Sectional view Vent/CIP Drain PARTS IST No. Description Material Standard 1 Body spacer 316, 304 Stainless Steel ASTM A276 2 CIP piston PTFE Commercial 3 Nut and ferrule 316, 304 Stainless Steel ASTM A276 4 Spring 302 Stainless Steel ASTM A313 5 CIP valve body 316, 304 Stainless Steel ASTM A276 6 CIP valve cylinder 316, 304 Stainless Steel ASTM A276 7 O-ring NBR 8 O-ring FKM 9 Air fittings NP bronze 10 Valve body 316, 304 Stainless Steel ASTM A Disc 316 Stainless Steel ASTM A Arm driven 304 Stainless Steel ASTM A Arm driving 304 Stainless Steel ASTM A Arm linkage 304 Stainless Steel ASTM A Mounting bracket 304 Stainless Steel ASTM A Seat VMQ (white) FDA EPDM (black) NBR (black) FKM (red) 17 Guard assembly 304 Stainless Steel ASTM A276 3 FDA FDA FDA 14 12, 13 HYGIENIC BUTTERFY VAVES 3

4 PENTAIR HYGIENIC BUTTERFY VAVES F250D/251D DOUBE BOCK AND BEED STYE (DBB) ØACT H H2 H3 H1 ID OD H NOTE F250D with F257 actuator and control head F250D WITH F257 ACTUATOR DIMENSIONS (mm) DN Inch OD (B/W) (Clamp) (BSM) H H1 H2 H3 H4 OD ID ØACT " " " " " " F251D WITH F257 ACTUATOR DIMENSIONS (mm) DN Metric (B/W) (Clamp) H H1 H2 H3 H4 OD ID ØACT

5 PENTAIR HYGIENIC BUTTERFY VAVES F250D/251D DOUBE BOCK AND BEED STYE (DBB) H4 H H2 ØD ID H1 H3 NOTES F250D with MRP/Premiair actuator F79U/E option also available F250D WITH MRP/F79U ACTUATOR DIMENSIONS (mm) DN Inch OD (BW) (Clamp) (BSM) H H1 H2 H3 H4 OD ID 125* 5.0" ** 5.0" * 6.0" ** 6.0" F251D WITH MRP/F79U ACTUATOR DIMENSIONS (mm) DN Metric (BW) (Clamp) (BSM) H H1 H2 H3 H4 OD ID 125* ** * ** NOTES * Dims with MRP/Premiair actuators ** Dims with F79U/E actuators HYGIENIC BUTTERFY VAVES 5

6 PENTAIR HYGIENIC BUTTERFY VAVES F250D/251D DOUBE BOCK AND BEED STYE SEECTION GUIDE Example: 050 F250D 255 CP/RJT 398 Metric Inch OD mm mm mm mm mm mm mm mm mm 6.0 Figure F250D Double block and bleed for inch OD tubing F251D Double block and bleed for metric tubing Trim Seat Body Disc Bearing 255 EPDM PVDF 256 VMQ PVDF 252 NBR PVDF 258 FKM PVDF 259 FKM PVDF 262 EPDM PVDF 263 VMQ PVDF 253 NBR PVDF End connections Weld ends Thread ends BW Butt weld (Std.) DIN DIN thread (fabricated) BWD Butt weld DIN tube RJF RJT male part (fabricated) RJT RJT male part (machined) SMS SMS male part, external thread 6 TPI Clamp ends CP Clamp (machined) CF ISO clamp ends (fabricated) Extended definer NB Double block and bleed with no bleed F257 Supplied c/w F257, drive stem and mount brackets for valve rated actuator F79U Supplied c/w F79U drive stem and mount brackets for valve rated actuator (no actuator supplied) PENTAIR FOW CONTRO PACIFIC PTY TD KAIMIRO STREET, PUKETE INDUSTRIA ESTATE, HAMITON, 3200, NEW ZEAAND PACIFICNZHYGIENICSAES@PENTAIR.COM All Pentair trademarks and logos are owned by Pentair. All other brand or product names are trademarks or registered marks of their respective owners. Because we are continuously improving our products and services, Pentair reserves the right to change specifications without prior notice. Pentair is an equal opportunity employer. EBPJV-0781 E-14/ Pentair - All Rights Reserved.

KEYSTONE FIGURE 250D AND 251D HYGIENIC PRODUCTS

KEYSTONE FIGURE 250D AND 251D HYGIENIC PRODUCTS Double block and bleed style stainless steel butterfly valves F250D for imperial tubing F251D for metric tubing FEATURES Keystone proven valve and actuator technology Failsafe pneumatic interlocks Fully