Watts N45B User Manual download pdf (Page 2)

Materials

Body: Bronze

Seat: Thermoplastic

Cage: Thermoplastic

Integral Strainer: Stainless steel

Diaphragm: Reinforced EPDM

Valve Disc: Elastomer

Pressure – Temperature

Temperature Range: 33˚F – 180˚F (0.5˚C – 82˚C)

Maximum Working Pressure: 300psi (20.7 bar)

Adjustable Reduced Pressure Range: 25 – 75psi (172 – 517 kPa)

Standard Reduced Pressure Setting: 50psi (345 kPa)

Standards

Meets requirements of ASSE Standard 1003; (ANSI A112.26.2); CSA

Standard B356; and listed by IAPMO. City of Los Angeles.

Options

G Gauge tapping

GG Gauge tapping and 160psi (11 bar) gauge

Dimensions – Weights

SIzE (DN) DIMENSIONS WEIGHT

T As AN BT Bs BN C D ET ES G

in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in mm in mm in. mm lbs. kgs.

⁄4 32 8

⁄8 213 7

⁄16 201 5

⁄16 148 4

⁄8 111 4

⁄8 105 3

⁄16 78 8

⁄8 225 1

⁄16 36

⁄16 17 1 25 3

⁄4 82 6.5 2.9

⁄2 40 8

⁄8 213 8

⁄16 207 5

⁄16 148 4

⁄16 115 4

⁄16 112 3

⁄4 83 8

⁄8 225 1

⁄8 41

⁄16 17 1

⁄8 28 3

⁄4 82 8 3.6

2 50 9 228 9

⁄4 235 6

⁄8 162 5 126 5

⁄16 129 3

⁄16 93 8

⁄8 225 1

⁄8 47

⁄16 17 1

⁄8 34 3

⁄16 93 9 4.1

ET - NPT ENGAGEMENT FOR TIGHT JOINT

ES - FEMALE SWEAT SOCKET DEPTH

Capacity

AT = NPT

AS = sweat

Max.

BT = NPT

BS = sweat

AN - NONE

BN - NONE

Capacity N45B

0102030405060708090 100 110

Flow

rD erusserP

/N55B

kPa psi

0 0

34 5

69 10

103 15

138 20

172 25

0 10 20 30 40 50 60 70 80 90 100 110 gpm

0 38 76 114 152 190 228 266 304 342 380 418 lpm

Flow

Pressure Drop

(40mm)

(50mm)

(32mm)

USA: Tel. (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com

Canada: Tel. (905) 332-4090 • Fax: (905) 332-7068 • www.wattscanada.ca

A Watts Water Technologies Company

1 2

Series N45B 1
Pressure Drop 2

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Watts N45B User Manual Page 2

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