zuercher br series -...

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ZUERCHER BR Series LOW PRESSURE IN-LINE & ANGLE-PATTERN TANK PRESSURE REDUCING REGULATORS

Pressure/Vacuum Rating Max inlet pressure: 16 Barg Max back-pressure: 2 Barg Vacuum tight. Leak Tight to EN 12266-1:2003 Leakage rate A For T = -10°C to +150°C: Leakage rate A For T = -20°C to -10°C: Leakage rate C

Pressure Control Parameters Max controllable inlet pressure: 6 Barg (Higher pressures upon request)

Pressure Control Range Parameters Spring: -200 to 1000mbar Pilot: -200 to 2000mbar

Temperature Range -20°C to +160°C (Higher temp on request)

Seat Diameters Ø 4mm, 6mm, 10mm, 14mm, 21mm, 32mm

Flow Control Range Direct -Acting Spring: 16 to 1600 NM³/Hr Equilibrated Spring: 30 to 1600 NM³/Hr Piloted Diaphragm: On request.

Flanged Connection Options EN 1092-1 PN10/PN16 Flanges EN 1092-1 Grooved DIN 2512 PN10/PN16 ASME Class 150/300 Flanges

Materials Body and Trim: AISI 316L or Alloy C22® Upper Body: AISI 304 Diaphragm: PTFE, Viton, or EPDM O-Rings: FFKM, Viton, or EPDM

Options Adjusted and Sealed Ø63 Diameter St St Gauge Rain Hood

Available Certification

ATEX Ex II 2 GDc IIC Certified Option

EN10204:2004 3.1 Material Traceability

Cert of Conformance to TA Luft, PED, FDA

Functionality and Performance Cert. Each valve individually tested and certified

ZURCHER MODEL BR Tank Blanketing Regulator: Spring loaded low pressure reducer for process gases.

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Build Codes

Functions Connections Bodies Diaphragm

BR Regulator A1 ANSI Flg 150 lbs. 1.00”, 2.00”-4.00” S 316 L (1.4409) P PTFE

A2 ANSI Flg 300 lbs. 1.00”, 2.00”-4.00” H Alloy22® (1.00” barstock only) V FPM (Viton®)

D DIN Flg PN10/16 DN15, 25, 40, 50 X Special E EPDM

X Special G Gylon

VV FPM/FPM (Viton®)

Construction Trim Parts Specials

i Cast 1.4409 body S 316 L (1.4409) E Prepared for ext sensing line

ib Barstock body 1.00” Only H 2.4602 Hastelloy C22® IIC ATEX CL IIC for Gases

X Special D Flow limiter

B Dampening throttle

P Piloted

Sizes – In-Line Seat Ø Seat Option

15 DN 15 (0.50") (DIN Only) (4, 6, 10, Ø) DN15 (0.50”") K FFKM (Kalrez® 6375) A ATEX CL IIC for Gases

25 DN 25 (1.00") (DIN/ANSI) (4, 6, 10, 14,21 Ø) DN25 (1.00") V FPM (Viton®) P Adjusted and Sealed

40 DN 40 (1.50") (DIN Only) (10, 14,21 Ø) DN40 (1.50") C FFKM FDA (Kalrez® 6221) M St St Ø63 Gauge

50 DN 50 (2.00") (DIN/ANSI) (10,14,21,32 Ø) DN50 (2.00") E EPDM V Straight Gauge Connection

80 3.00" (ANSI only) R Rain Hood

100 4.00" (ANSI only)

Sizes – Angle-Pattern Spring Control Range

15 DN 15 (0.50") Code Mbar Range Valve Size Seat Dia Ø

25 DN 25 (1.00") On request DN15 (0.50”) On request

40 DN 40 (1.50") On request DN15 (0.50”) On request

50 DN 50 (2.00") L 5-10 Mbar DN25 (1.00”) 4 Ø

80 3.00" (ANSI only) L 10-20 Mbar DN25 (1.00”) 6 Ø

100 4.00" (ANSI only) A 10-50 Mbar All sizes 10,14,21 Ø

B 30-150 Mbar All sizes 10,14,21 Ø

Pattern C 50-300 Mbar DN25-40 (1”-1.50”) 10,14, Ø

i In-line Pattern C 100-300 Mbar DN50 (2.00”) 10,14,21,32 Ø

e Angle-pattern Pattern H 150-600 Mbar DN50 (2.00”) 10,14,21,32 Ø

H 170-600 Mbar DN40 (1.50”) 10,14,21 Ø

H 170-650 Mbar DN25 (1.00”) 10,14, Ø

U 160-900 Mbar DN25 (1.00”) 10,14, Ø

U 300-900 Mbar DN50 (2.00”) 10,14, Ø

J ≤2000Mbar All sizes Domed Cap

Typical Ordering Code and Text – DIN In-Line Atex IIC BR50i.D32H.SSKPE-IIC-P. P:

2.00” Zuercher Model BS50i, 316L Cast St St In-line Pressure Reducing Regulator, Flanged PN10, 316L Trim, FFKM Seat, PTFE Diaphragm, Control range 150-600 Mbar, 32Ø Orifice, ATEX II 2GD 11C certified build, fully adjusted and sealed.

Typical Ordering Code and Text – ANSI Angle-pattern Atex IIC BR50e.A132H.SSKP-IIC-P. P:

2.00” Zuercher Model BS50i, 316L Cast St St Angle-pattern Pressure Reducing Regulator, Flanged ANSI 150, 316L Trim, FFKM Seat, PTFE Diaphragm, Control range 150-600 Mbar, 32Ø Orifice, ATEX II 2GD 11C certified build, Piloted, fully adjusted and sealed.

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Technical Data




Dimensions BRi Series In-line Regulators

EN 1092-1 PN10/PN16 Flanges

DIN 3202-1/F1 FTF Length

Standard Build Dimensions

BRi15 BRi25 BRi40 BRi50

A 130 160 200 230

B 55 60 80 95

C 36 36 58 58

D 66 75 107 107

E 190.5 201 254 254

F 38Ø 38Ø 51Ø 51Ø

G 160Ø 200Ø 300Ø 300Ø

Technical Data DIN i

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DIN 3202-1/F1 FTF Length

Control Option Dimensions

Pilot Dome (Code “J”)

Piloted (Code “P”)

Code “H” Springs

BRi15 BRi25 BRi40 BRi50

H 205 215 322.5 322.5

J 51Ø 51Ø 82Ø 82Ø

K 107 115.5 163.5 163.5

P 48Ø 48Ø 56Ø 56Ø

Q G1/8” G1/8” G1/4” G1/4”

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Technical Data DIN i




Dimensions BRe Series Angle-Pattern Regulators



BRe 15 BRe 25 BRe 40 BRe 50

A 100 100 180 180

B 100 100 150 150

C 65 65 75 75

E 190 190 230 230

F 38Ø 38Ø 51Ø 51Ø

G 160Ø 200Ø 300Ø 300Ø

Technical Data DIN e

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BRe 15 BRe 25 BRe 40 BRe 50

H 205 205 310 310

J 51Ø 51Ø 76Ø 76Ø

K 105 105 130 130

P 48Ø 48Ø 56Ø 56Ø

Q G1/8” G1/8” G1/4” G1/4”

Technical Data DIN e

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ASME B16.5 CLASS150 RF Flanges

ANSI B16.10 FTF Length


BRi 1.00” BRi 2.00”

A 127 178

B 60 95

C 36 58

D 75 107

E 201 254

F 38Ø 51Ø

G 200Ø 300Ø

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Technical Data ANSI i

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ASME B16.5 CLASS150 RF Flanges

ANSI B16.10 FTF Length





BRi 1.00” BRi 2.00”

H 215 322.5

J 51Ø 82Ø

K 115.5 163.5

P 48Ø 56Ø

Q G1/8” BSP G1/4” BSP

Technical Data

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ANSI i





ASME B16.5 CLASS150/300 RF Flanges


BRe 0.50” BRe 1.00” BRe 1.50” BRe 2.00”

A 100 100 180 180

B 100 100 150 150

C 65 65 75 75

E 190 190 230 230

F 38Ø 38Ø 51Ø 51Ø

G 160Ø 200Ø 300Ø 300Ø

Technical Data

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ANSI e





ASME B16.5 CLASS150/300 RF Flanges





BRe 0.50” BRe 1.00” BRe 1.50” BRe 2.00”

H 205 205 310 310

J 51Ø 51Ø 76Ø 76Ø

K 105 105 130 130

P 48Ø 48Ø 56Ø 56Ø

Q G1/8” G1/8” G1/4” G1/4”

Technical Data ANSI e

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ZUERCHER bench test every regulator for actual pressure and flow performance prior to dispatch and the test

certs are a standard part of the documentation pack supplied with every ZUERCHER regulator

ZUERCHER TEST BENCH FOR TANK BLANKETING REGULATORS

Reducing Regulator Function Spring-loaded pressure reducing regulators are self-acting regulators designed to keep process pressure “B” at a constant level.

The nominal pressure is set by means of the setscrew, located at the spring housing.

When at rest, the regulator remains in the open position. As inlet pressure “A” rises, pressure is released through the open valve seat “F” to the process side of the valve and through the internal feedback bore “E” underneath the diaphragm.

When the diaphragm force “C” exceeds the spring force “D”, as process pressure “B” increases. The diaphragm is lifted and the valve seat “F” closes.

When process pressure “B” drops below the preadjusted nominal pressure, the spring force “D” presses the diaphragm downwards, so that the valve seat “F” opens and admits gas until pressure equalization is reached again.

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Angle-Pattern Threaded Option

Angle Pattern Thread options: DN25 BSPF/NPTF.

Pilot Operated Option

Pilot operated – In line Pattern Control Pressures up to 2000mbar Size range flanged: DN15 to DN100 Flange options: ANSI 150lbs/300lbs DIN PN16. Thread options: DN25 BSPF/NPTF.

Other Zuercher Regulator Options

Zuercher Quality

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