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Diaphragm T-valve man. op. FullFct
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Buerkert Type 2974 Diaphragm T-valve man. op. FullFct

Brand: Buerkert SKU: 20091891 Mfr Part #: 20091891
Ships Same Day* Worldwide Shipping
Approval type Material-approval-foods, ATEX, Material-approval-foods seal materials, Material-approval-pharma-USP Class VI, IECEx
Bonnet material Stainless steel
Certification type Food (EC) 1935/2004 compliant according Manufacturer Declaration, II 2 D Ex h IIIC T135°C...T300°C Db, II 2 G Ex h IIC T4...T2 Gb, Food - FDA-compliant, Pharma USP Class VI-compliant, A367 Ex h IIC T4...T2 Gb, Ex h IIIC T135°C...T300°C Db
CIP capable Yes
Commodity Code 84818087
Diaphragm coupling Bayonet
Diaphragm material PTFE with EPDM backing membrane
Diaphragm size 15
End position feedback position without
Factory certification 2.1 Membrane Yes
Fluidic port connection number 3
Function On/off valve
Handwheel diameter 45 mm
Interface to actuator interface LB/diaphragm/body DN 15
Main valve operating principle Diaphragm valve
Manual activation material PPS (Polyphenylene sulphide)
Manual actuation stop No
Manufacturer´s test certificate 3.1 included Yes
Nominal pressure (DIN EN 1333) PN 16
Nominal Pressure (DIN EN 1759) Class 150
Nominal pressure max 10 bar
Nominal pressure min 0 bar
Port connection 1 dimensions 50,8x1,65
Port connection 1 DN DN 50 (NPS 2) - 50,8x1,65
Port connection 1 standard ASME BPE / DIN 11866 Series C / BS4825
Port connection 1 type Welded
Port connection 2 dimensions 26,9x1,6 Cl: 50,5
Port connection 2 DN DN 20 - 26,9x1,6 Cl: 50,5
Port connection 2 standard DIN 32676 series B (ISO-pipe ISO4200)
Port connection 2 type Clamp
Position indicator optical with scale
Product identification Data matrix code
Product sub-group On/off valves
SIP capable Yes
Stroke limitation min./max. stroke limitation
Temperature environment max 130 °C
Temperature environment min -10 °C
Temperature medium max 130 °C
Temperature medium min -10 °C
Type 2974
Valve body exterior surface Mechanically polished Ra <= 1.6 micrometer / Ra <= 62 microinch
Valve body internal surface Mechanically polished Ra <= 0.5 micrometer / Ra <= 20 microinch (ASME BPE S1)
Valve body material Stainless steel block material 1.4435 according to DIN EN 10088 and316L according to ASTM A479/A479M
Valve function number of switching positions 2
Weight 4.48 Lb

Frequently Asked Questions

How do I get pricing for 20091891?

KKM Solutions is a quote-based industrial supplier, so prices are not listed online. Send the quote form on this page with your quantity, or email orderdesk@kkmsolutions.com, and our order desk will reply with pricing and availability within 1 business day.

Who manufactures the 20091891?

20091891 is a Buerkert part. KKM Solutions sources Buerkert components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.

What are the key specifications of 20091891?

Key specifications include Approval type: Material-approval-foods, ATEX, Material-approval-foods seal materials, Material-approval-pharma-USP Class VI, IECEx; Bonnet material: Stainless steel; Certification type: Food (EC) 1935/2004 compliant according Manufacturer Declaration, II 2 D Ex h IIIC T135°C...T300°C Db, II 2 G Ex h IIC T4...T2 Gb, Food - FDA-compliant, Pharma USP Class VI-compliant, A367 Ex h IIC T4...T2 Gb, Ex h IIIC T135°C...T300°C Db; CIP capable: Yes. The full specification table on this page lists every published attribute for this part.

How quickly can 20091891 ship?

In-stock items are dispatched the same business day for orders placed by 3 PM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.

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