{"id":249,"date":"2022-06-06T16:29:10","date_gmt":"2022-06-06T16:29:10","guid":{"rendered":"http:\/\/combustion.stagemysite.com\/?post_type=product&p=249"},"modified":"2023-08-30T17:00:36","modified_gmt":"2023-08-30T17:00:36","slug":"pf-norval","status":"publish","type":"product","link":"https:\/\/combustionregulator.com\/fr\/produit\/pf-norval\/","title":{"rendered":"PF Norval"},"content":{"rendered":"

PF Norval <\/strong>Direct-Acting Gas Pressure Regulators<\/strong><\/p>\n

The NORVAL is a downstream pressure regulator, self actuated, spring loaded for medium and low pressure applications. It is suitable for gaseous, non-corrosive, previously filtered fluids.<\/p>\n

It’s balanced valve design gives quick response to varying operating conditions, which make it particularly suitable for use when serving ON-OFF burners and in any industrial process where you have a quick change of the flow rate.<\/p>\n

Its features of good accuracy of regulation, even in presence of significant upstream pressure changes and\/or flow rate, which makes make the Norval regulator also particularly suitable in natural gas gate stations and industrial and commercial applications.<\/p>\n

The NORVAL regulator, in its basic version, is classified as a regulator which fails open (Fail to Open). It is Truly a TOP ENTRY design, which confers to the regulator management advantages, for example the ability to performs full maintenance without removing it from the connected piping.<\/p>\n

Functional Features: *<\/strong>
\n\u2022 Maximum inlet pressure up to:
\n275 PSIG for regulators from 1\u201d to 4\u201d
\n116 PSIG for regulators from 4\u201d to 8\u201d
\n275 PSIG for Steel Body and 246 PSIG for Ductile Iron
\n\u2022 Maximum control head pressure up to: 232 PSIG for regulators from 1″- 8″ 375 TR, 375, 495 Head, 145 PSIG for regulators from 2 1\/2″ to 8\u201d 630 Head, 26.1 PSIG for 232 PSIG for regulators from 1″- 8″ 375 TR, 6″ and 8″ 658 and 817 Head
\n\u2022 Range of downstream pressure:
\nfrom 4.0″ W.C. to 63.81 PSIG for regulators from 1\u201d to 4\u201d
\nfrom 4.8 ” W.C. to 26.10 PSIG for regulators (6\u201d) and (8\u201d)
\n\u2022 Minimum ambient temperature: Execution up to -40\u00b0F (to specify in the request)
\n\u2022 Maximum ambient temperature: +140\u00b0F
\n\u2022 Flowing gas temperature: up to -4\u00b0F + 140\u00b0F
\n\u2022 Accuracy class AC:\u00a0 up to 5
\n\u2022 Look-up pressure class SG:\u00a0 up to 10<\/p>\n

Design features:<\/strong>
\n\u2022 Nominal dimensions DN:\u00a0 1\u201d – 1\u201d -1\/2 – 2\u201d – 2\u201d1\/2 – 3\u201d – 4\u201d – 16\u201d – 8\u201d
\n\u2022 Flanged connections:\u00a0 UNI PN 16; class 150 RF<\/p>\n

Materials:**<\/strong>
\n\u2022 Body: Cast steel ASTM A 216 WCB (all DN).
\n\u2022 Spheroidal ductile iron GS 400 \u2013 18 ISO 1083 DN 150 (6\u201d) included.
\n\u2022 Covers: Diameter from 375 to 630 Drop-forged carbon steel \/ from 658 to 817 Alluminium
\n\u2022 Diaphragm:\u00a0 Rubberized canvas (performed by hot-pressing process)
\n\u2022 Seat: Stainless steel
\n\u2022 Sealing ring: Nitril rubber
\n\u2022 Connection fittings: In zinc-plated carbon steel according to DIN 2353; Stainless steel on request<\/p>\n

* Different functional features available on request.<\/em>
\n** The materials indicated above refer to the standard models.<\/em>
\nDifferent materials can be provided according to specific needs.<\/em><\/p>\n

Downloads:<\/strong>
\nPF Norval Brochure<\/a>
\nPoster<\/a><\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

PF Norval Direct-Acting Gas Pressure Regulators The NORVAL is a downstream pressure regulator, self actuated, spring loaded for medium and low pressure applications. It is suitable for gaseous, non-corrosive, previously filtered fluids. It’s balanced valve design gives quick response to varying operating conditions, which make it particularly suitable for use when serving ON-OFF burners and […]<\/p>\n","protected":false},"featured_media":254,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[29],"product_tag":[],"class_list":{"0":"post-249","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-over-75-psig-inlet","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"\nPF Norval - Combustion Regulator<\/title>\n<meta name=\"description\" content=\"The Pietro Fiorentini NORVAL is a downstream pressure regulator, self actuated, spring loaded for medium and low pressure applications. 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