Where can I purchase the 4334.4304 (Type 433) Modulated Action Safety Valve product of the Leser brand in United States?

You can safely purchase the 4334.4304 (Type 433) Modulated Action Safety Valve product of the Leser brand from ONRION company.

What is the warranty period for Leser 4334.4304 (Type 433)?

All Leser products are under at least one year of ONRION warranty. In case legal requirements create a warranty period above this period, legal periods are valid.

Do you provide technical support for 4334.4304 (Type 433)?

Our focus covers sales and supply processes. For technical support or troubleshooting operations that require expertise, we direct you straight to the manufacturer's technical team in order for you to receive the most correct help.

How can I access the product catalog, user manual, technical documents, and PDFs for 4334.4304 (Type 433)?

You can access the catalogs, user manuals, and technical documents of 4334.4304 (Type 433) products from our website. For specific documents, you can visit the resources section or contact us directly.

4334.4304 (Type 433) Leser United States Sales

If you are looking for a reliable supplier where you can purchase the 4334.4304 (Type 433) Modulated Action Safety Valve, you are in the right place. ONRION sells all product groups belonging to the Leser brand in the United States market, with fast delivery times and competitive prices.

Product4334.4304 (Type 433)

BrandLeser

SupplierONRION LLC

CountryUnited States

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Delivery time: Determined at the time of quotation

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Technical Specification

Preliminary packaging weight (net): 85.00 kg / 187.00 lb (excluding alternative items offered)

Preliminary packaging weight (gross): 98.00 kg / 215.00 lb (excluding alternative items offered)
Packaging: LESER standard packaging according to LDeS 4607.00

Customs tariff numbers:
Safety valve 8481 40 10
Burst disc 7326 90 98
Changeover valve 8481 80 73
Parts 8481 90 00
Adjusting table 9031 20 00

Tag Number LESER Order Code
K7UM33MB1K4ZH03I63J54X00H88H84H15H47H28L8KL64L44H01
Medium - State of matter: Vapors/Gases/Liquids
Sensing pressure - CDTP -
Min. external back pressure 0.00 bar-g Operating temperature 20 °C
Max. external back pressure - internal back pressure 0.00 bar-g
Article number 4334.4304 Vent H4 Vent, closed
Valve type: Conventional design Standard dimensions

(a, b, H) 115 mm, 115 mm, 330 mm
d₀ 23.0 mm
Flow cross-section 415.5 mm²
Discharge coefficient (D/G) | 0.380
ASME | PED Standard
Orifice according to API 520 not present
Fluid flow coefficient (F) | 0.250
ASME | PED Standard
Inlet Connection
DN 40
PN 40 DIN EN 1092
Form B1: "rough" DIN EN 1092
Outlet Connection
DN 40
PN 40 DIN EN 1092
Form B1: "rough" DIN EN 1092
Housing Material 1.4408/SA-351 CF8M - SS Seat Bushing / Seat
Material 1.4404/316L - SS
Spring Cap Material 1.4408/SA-351 CF8M - SS Disc Material 1.4404/316L - SS
Spring Material -
Spring Pressure Range min. [bar-g] 0.00 Spring Pressure Range
max. [bar-g] 0.00
Material Quality Certificate for: H01 Housing – Position 1 with Material Quality Certificate 3.1 according to DIN EN 10204
Documentation: H03 LESER CGA Certificate for Global Application
Acceptance Test Certificate 3.1 according to DIN EN 10204
Acceptances: M33 Verification of the test of the set pressure (TRB 513 4.2, TRD 504
3.3.4): EN 10204-3.2 (TÜV-Nord)