Qaytish trubasiga o'rnatish uchun avtomatik oqim cheklovi bilan AFPQ / VFQ2 Danfoss differensial bosim nazorat valfi. AFPQ 4 / VFQ2 Oqim chizig'iga o'rnatish uchun avtomatik oqim cheklovli Danfoss differentsial bosim nazorat qilish valfi. Tavsif AFPQ / VFQ2 Danfoss va AFPQ 4 / VFQ2 Danfoss nazorat klapanlari markaziy isitish tizimlarida foydalanish uchun mo'ljallangan avtomatik differentsial bosim regulyatorlari va oqim cheklovchi valflardir. Agar differentsial bosim ko'tarilsa yoki maksimal oqim tezligi oshib ketsa, Danfoss AFPQ / VFQ2 va Danfoss AFPQ 4 / VFQ2 klapanlari yopiladi. Danfoss AFPQ / VFQ2 va Danfoss AFPQ 4 / VFQ2 oqimni sozlash uchun kapalak klapanli boshqaruv flanesli valfidan, ikkita diafragmali boshqaruv blokidan va differentsial bosimni o'rnatish uchun kamondan iborat. Vanalar VFQ2 (metall vilka muhri) DN, mm Kvs, m3 / h Tmax, ° C Kod raqami PN = 16 bar PN = 25 bar PN = 40 bar 15 4,0 150 200 * 065B2654 065B2667 065B2654 065B2650B 065B06502B 8,0 150 200 * 065B2656 065B2669 065B2679 32 16 150 200 * 065B2657 065B2670 065B2680 40 20 150 200 * 065B2658 5065B2671 065B2681 50 32 150 200 * 065B2659 065B365 065B2661 065B2674 065B2684 100 125 150 200 * 065B2662 065B2675 065B2685 125 160 150 200 * 065B2663 065B2676 065B2686 150 280 140 - 065B2664 - 065B2687 200 320 140 - 065B2665 - 065B2688 250 400 140 200 * 250 400 - 200 * Koʻproq