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I N S T R U C T I O N S
I N S T R U C T I O N S
For installing and servicing self-operating p r e s s u r e
For installing and servicing self-operating p r e s s u r e
r e g u l a t o r s U B A a n d U B A N
r e g u l a t o r s U B A a n d U B A N
20090 SEGRATE (MI)- via E.Fermi
20090 SEGRATE (MI)- via E.Fermi
E-MAIL:
E-MAIL:
info@carrarovalvole.it
info@carrarovalvole.it
TEL.(02) 269912.1 - FAX.(02) 2692.2452
TEL.(02) 269912.1 - FAX.(02) 2692.2452
IMI0009E.doc
IMI0009E.doc
Rev.9 31/05/10
Rev.9 31/05/10
Page 1 of 19
Page 1 of 19
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Summary of Contents for CARRARO UBA
- Page 1 I N S T R U C T I O N S I N S T R U C T I O N S For installing and servicing self-operating p r e s s u r e For installing and servicing self-operating p r e s s u r e r e g u l a t o r s U B A a n d U B A N r e g u l a t o r s U B A a n d U B A N IMI0009E.doc...
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Page 2: Table Of Contents
5. Safety warnings ......................5 6. Safety precautions ...................... 6 7. Transport, storage and handling .................. 7 Installation and assembly instructions UBAN - UBAN/V - UBA - UBA/V 8.1. Cross-section drawing..................8 8.2. Installation ......................9 8.3. Start-up and calibration..................11 8.4. -
Page 3: General Information
VALIDITY OF INSTRUCTIONS These instructions refer to self-operated single-seat pressure regulators featuring spring-loaded diaphragm servomotors: UBAN – UBAN/V 8) (Figs.1-2) ARAGRAPH UBA – UBA/V UBAN/D1 – UBAN/V/D1 9) (Figs. 9–10) ARAGRAPH UBAN/D2 – UBAN/V/D2 IMI0009E.doc 20090 SEGRATE (MI)- via E.Fermi E-MAIL: info@carrarovalvole.it... -
Page 4: Product Safety Indications And Tag System
I N S T R U C T I O N S For installing and servicing self-operating p r e s s u r e r e g u l a t o r s U B A a n d U B A N PRODUCT SAFETY INDICATIONS AND TAG SYSTEM If and where appropriate, safety indications have been put inside tags on the sides of the pages of this manual. -
Page 5: Safety Warnings
CARRARO is unable to know, assess and inform customers or users of all the conceivable methods of performing maintenance operations and all the risks deriving from the use of such methods. -
Page 6: Safety Precautions
° Please consult CARRARO before working on valve parts. IMI0009E.doc 20090 SEGRATE (MI)- via E.Fermi E-MAIL: info@carrarovalvole.it... -
Page 7: Transport, Storage And Handling
I N S T R U C T I O N S For installing and servicing self-operating p r e s s u r e r e g u l a t o r s U B A a n d U B A N TRANSPORT, STORAGE AND HANDLING Transport Depending on their size, valves can be transported loose, packed in cardboard... -
Page 8: Cross-Section Drawing
For installing and servicing self-operating p r e s s u r e r e g u l a t o r s U B A a n d U B A N UBAN – UBAN/V – UBA – UBA/V Cross-section drawing ATEX Construction Gr. -
Page 9: Installation
I N S T R U C T I O N S For installing and servicing self-operating p r e s s u r e r e g u l a t o r s U B A a n d U B A N Figs.1-2-3-4-5 show the cross-sections of UBAN and UBAN/V valves together with part names and versions. - Page 10 I N S T R U C T I O N S For installing and servicing self-operating p r e s s u r e r e g u l a t o r s U B A a n d U B A N 8.2.4 If there is the slightest possibility of the pressure downstream from a reducer device exceeding the maximum system pressure, a safety valve must be installed, without an on-off valve in between, in order to...
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Page 11: Start-Up And Calibration
I N S T R U C T I O N S For installing and servicing self-operating p r e s s u r e r e g u l a t o r s U B A a n d U B A N 8.2.8 If in the plant there is the possibility that the pressure in contact with the diaphragm exceeds the maximum diaphragm rating, it is necessary to install the safety relief device shown in Fig. -
Page 12: Maintenance
I N S T R U C T I O N S For installing and servicing self-operating p r e s s u r e r e g u l a t o r s U B A a n d U B A N MAINTENANCE 8.4.1 If the regulated fluid is clean and the plant is fitted with a filter, maintenance operations will be infrequent occurrences. -
Page 13: Versions
8.5.2 UBA and UBA/V valves with cast iron body The UBA and UBA/V versions are identical to UBAN and UBAN/V in the versions with threaded ends (Fig.2), except for the following: - The low pressure body is made from cast iron;... -
Page 14: Cross-Section Drawing Uban/D1 Uban/V/D1
I N S T R U C T I O N S For installing and servicing self-operating p r e s s u r e r e g u l a t o r s U B A a n d U B A N UBAN/D Fig. -
Page 15: Cross-Section Drawing Uban/D2 Uban/V/D2
I N S T R U C T I O N S For installing and servicing self-operating p r e s s u r e r e g u l a t o r s U B A a n d U B A N Fig. -
Page 16: Installation
I N S T R U C T I O N S For installing and servicing self-operating p r e s s u r e r e g u l a t o r s U B A a n d U B A N The UBAN/D valves comprise two groups of regulators: Group 1: All the group 1 regulators have just one diaphragm;... -
Page 17: Start-Up And Calibration
I N S T R U C T I O N S For installing and servicing self-operating p r e s s u r e r e g u l a t o r s U B A a n d U B A N START-UP AND CALIBRATION The regulators are factory calibrated at the set pressure indicated in the order. - Page 18 I N S T R U C T I O N S For installing and servicing self-operating p r e s s u r e r e g u l a t o r s U B A a n d U B A N the diaphragm/s (see 9.6.3.) taking care to properly arrange the Teflon protections.
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Page 19: Repairs
10.3 Rating plate (example) 10.4 To ensure the valves treated in this manual work correctly, they should be serviced by Carraro engineers or by Carraro-authorised Service Centres using original spare parts. ATTENTION! The maker declines all liability for modifications to the product or operations that are not contemplated in this manual.
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