Range of pressure transmitters with stainless steel bodies and EPDM ‘O’-rings. Maximum working pressures: 520 XXX range 100.0 bar, 522 XXX range & 540 XXX range 60.0 bar. Maximum operating temperature 520 XXX & 522 XXX range 99°C & 540 XXX range 80°C.

Section:

1530 Miscellaneous Fittings

Size:

G½” sealed at front with manometer, G½” sealed at front, 7/16” -20 UNF sealing cone, ¼” -18 NPT sealing thread, G¼” sealed at front, G¼” sealed at back DIN 3852-E, R¼” sealing thread EN 10226, ¼” -18 NPT inside sealing thread, M20x1.5 sealed at front with manometer, ¼” -14 NPT inside sealing thread, G¼” sealed at front with manometer, 1/8” -27 NPT sealing thread, G1/8” sealed at front, G¼” sealed at front, G¼” sealed at back DIN 3852-E with manometer, 7/16” -20 UNF inside sealed at front SAE J1926-1 / ISO 11926-1, 7/16” -20 UNF inside sealing cone with Schrader, 7/16” -20 UNF inside sealing cone, ½” -14 NPT sealing thread, G¼” sealed back.

Marking:

520 and 522 models: HUBA CONTROL, article number and date of manufacture (YY/MM/DD) on body. 540 models: HUBA CONTROL on adhesive label on face. Article number and date of manufacture (YY/MM) on adhesive label on body.

Installation Requirements:

R001

Expiry date:

30/04/2025

Model:

520 XXX, 522 XXX & 540 XXX ranges. ‘XXX’ is replaced with various numbers denoting pressure range, application, power supply, electrical connections and other parameters which do not relate to water contact

Approval Holder:

Huba Control AG

Company Name

Huba Control AG

Address

Industriestrasse 17, CH-5436 Wurenlos, Switzerland

View All Listings by this Company

521 Range of pressure switches with stainless steel bodies (1.4305 / AISI 303 or 1.4404 / AISI 316L see model) and EPDM ‘O’-rings. Maximum working pressure range 0-60.0 bar (see model). Maximum operating temperature 99°C

Section:

1720 Switches

Section Subtitle:

Pressure operated.

WRAS Approval Number:

2005022

Size:

See model.

Marking:

Huba Control, model number and date of manufacture (YY/MM).

Installation Requirements:

R001

Expiry date:

31/05/2025

Model:

521 Range: 521.914 S X X X X X X X (pressure range 0 - 2.5 bar), 521.915 S X X X X X X X (pressure range 0 - 4.0 bar), 521.917 S X X X X X X X (pressure range 0 - 6.0 bar), 521.930 S X X X X X X X (pressure range 0 - 10.0 bar), 521.931 S X X X X X X X (pressure range 0 - 16.0 bar), 521.932 S X X X X X X X (pressure range 0 - 25.0 bar), 521.933 S X X X X X X X (pressure range 0 - 40.0 bar), 521.940 S X X X X X X X (pressure range 0 - 60.0 bar). Where: 1st X = Version: 0 = Standard 1 = Oxygen applications 2nd X = Switching contact: 1 = Contact N/O High-Side-Switch PNP 2 = Contact N/C High-Side-Switch PNP 3rd X = Electrical connection: 0 = Swift connector without cable 3 = Connector M12x1 2 L = Swift connector with cable 1.5 m 4th X = Pressure connection, inside thread versions: 0 = 7/16 -20 UNF sealing cone with Schrader K = 7/16 -20 UNF 1 = G ¼ with O-Ring seal FPM D = ½ -14 NPT (< 60 bar) Outside thread versions: E = M20x1.5 sealed at front and manometer (combi) 2 = 7/16 -20 UNF sealing cone 3 = ¼ -18 NPT, 4 = G ¼ sealed at back DIN 3852-E with Profile seal ring in FPM 7 = R ¼ acc. to EN 10226 8 = G ½ sealed at back and manometer with Profile seal ring in FPM 9 = G ½ sealed at front 5th X = Pressure tip orifice: Without = 0 With = 2 6th X = Material pressure connection: N = Stainless steel 1.4305 / AISI 303 1 = Stainless steel 1.4404 / AISI 316L 7th X = Switching points: W = Indicates switching points (e.g.: W100/60bar).

Approval Holder:

Huba Control AG

Company Name

Huba Control AG

Address

Industriestrasse 17, CH-5436 Wurenlos, Switzerland

View All Listings by this Company

Manufacturer:

Huba Control AG

Company Name

Huba Control AG

Address

Industriestrasse 17, CH-5436 Wurenlos, Switzerland

View All Listings by this Company